oohaha ooo ooohoahoa
oohaha ooo ooohoahoa .
 oː h aː h aː WORD_BOUNDARY  oː oː WORD_BOUNDARY  oː oː h oː aː h oː aː WORD_BOUNDARY
o o h a h a WORD_BOUNDARY o o o WORD_BOUNDARY o o o h o a h o a WORD_BOUNDARY