- 口 nounmouthmouth of a person or animal; (bound form) oral
- 不 adverbnotNegative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
- 择 擇 verbnounto choose(bound form) to select; to choose; to pick out; used primarily in formal compound words like 选择
- 言 nounspeechwords; talk; what is said