tchou tchou tchou tchou
tchou tchou tchou tchou
co co co co
tchou tchou tchou tchou .
t ʃ u WORD_BOUNDARY t ʃ u WORD_BOUNDARY t ʃ u WORD_BOUNDARY t ʃ u WORD_BOUNDARY
t c h o u WORD_BOUNDARY t c h o u WORD_BOUNDARY t c h o u WORD_BOUNDARY t c h o u WORD_BOUNDARY