kosong kosong ato dua
kosong kosong ato dua .
k o s o ŋ WORD_BOUNDARY k o s o ŋ WORD_BOUNDARY a t o WORD_BOUNDARY d u a WORD_BOUNDARY
k o s o n g WORD_BOUNDARY k o s o n g WORD_BOUNDARY a t o WORD_BOUNDARY d u a WORD_BOUNDARY