kachan kachan Kaachan
kachan kachan kaachan .
k a t̠ʃ a n WORD_BOUNDARY k a t̠ʃ a n WORD_BOUNDARY k aː t̠ʃ a n WORD_BOUNDARY
k a c h a n WORD_BOUNDARY k a c h a n WORD_BOUNDARY k a a c h a n WORD_BOUNDARY