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Input Rules

Single Characters

One-Key Characters

One-key characters use the highest-frequency characters. Memorizing them speeds up input.

Since the right little finger rests on the “;” key, which is normally idle, and both thumbs are also normally idle — a waste — the Space bar, the semicolon key (;), and the apostrophe key (‘) are set as the three candidate-commit keys. The three tiers of one-key characters require no memorization: the input method prompts them automatically. All 78 tier-3 one-key characters are the most frequently used single characters; with long-term use they form natural memory and greatly speed up input.

QWERTYUIOP
ASDFGHJKL
Tier 2 candidateTier 3 candidate
ZXCVBNM
SPACE
Tier 1 candidate — Space to commit

Note: Tier-1 one-key characters have no other input codes.

我 J_
1st keySpace to commit
JSpace
J-key one-key characterFirst candidate — press Space to commit
可 J;看 J’
Tier-2 candidate commitsTier-3 candidate commits

Root Characters

Root character input rule: the first key is the key where the character sits, plus the character’s phonetic supplement, then Space to commit. Some root characters have collisions; type (;) to commit the second candidate.

Q金儿无旡
用甫鸟
W言亡方 E心卜上山
足止
R竹牛气生矢
禾乍爿片
T广
厂尸户
Y立六火天夫
业尤尢
U门光 I人入 O鱼夕
歹文
P又斤
丘爪瓜
A女弓牙
长身而韦
S石曲西
一酉
D米二工 F日曰白臼
三壬丰王五
G士十土干
于千才寸
H目自开
廿甘且其
J手毛
丁刀力乃
K
中井
L九匕七乙弋
戈戋戊戉
車镸车虫
Z之豸马
豕乑
X母毌瓦 C川田由皿
几甲巾
V水小雨 B子孑了己巳
耳巴也已
N大犬
万月舟
M
贝见页习
Note: red radicals are collisions.
气 RQ_
1st keyPhonetic suppl.Space to commit
气RQSpace
入 IR;
1st keyPhonetic suppl.Tier-2 candidate commits
入IR

Ordinary Characters

For characters with fewer than four codes, the first letter of the character’s Pinyin serves as the supplement. For characters with four or more codes, the fourth key is the character’s final code.

如 AKR_
1st key2nd keyPhonetic suppl.Space to commit
女A口KRSpace
通 PQZT
1st key2nd key3rd keyPhonetic suppl.
P用Q辶ZT
弱 ADAD
1st key2nd key3rd key4th key
弓A冫D弓A冫D
微 KESO
1st key2nd key3rd key4th key (final)
彳K山E一S攵O

Two-Key & Three-Key Characters

Besides root characters with only a two-key full code and three-key characters, there are also two-key and three-key simplified characters. Two-key and three-key simplified characters are abbreviations of the full code, so you can commit with either the short code or the full code, as you like.

By statistics, there are 1,304 two-key characters and 6,273 three-key characters, covering essentially all single characters.

To speed up single-character input, single characters are given tier-1, tier-2, and tier-3 short codes — in other words, the user need not type the full code to produce a character. For example, the character “是” can be typed in the following four ways. No memorization is needed: the input method prompts automatically, giving the user maximum freedom and making touch-typing easy.

是:日一龰S
1-key, 2nd candidate2-key, 2nd candidate3-key, 1st candidateFull code
F;/F2F;/FS2FSE_FSES

Besides single characters, the 33,997 most frequently used words are also given three-key codes, saving keystrokes to the greatest extent.

Two-Character Words

Take the first two codes of each character. If either character is a root character, its second code is a phonetic supplement.

我们 JLIU
1st char, 1st key1st char, 2nd key2nd char, 1st key2nd char, 2nd key
手J戈L人I门U
生气 RSRQ
1st keyPhonetic suppl.1st keyPhonetic suppl.
生RS气RQ

Three-Character Words

Take the first code of the first two characters, and the first two codes of the last character.

创作者 IBGF
1st char, 1st key2nd char, 1st key3rd char, 1st key3rd char, 2nd key
人I亻I耂G日F

Four-Character Words

Use the first code of each character as the input code.

不劳而获 NHAH
1st char, 1st key2nd char, 1st key3rd char, 1st key4th char, 1st key
NHAH

More Than Four Characters

Use the first code of the first, second, and third characters, and of the last character, as the input code.

做一天和尚撞一天钟 ISYQ
1st char, 1st key2nd char, 1st key3rd char, 1st keylast char, 1st key
ISYQ