o n spells on
o n spell on
n:let n:let v adv
o n spells on.
oʊ WORD_BOUNDARY ɛ n WORD_BOUNDARY s p ɛ l z WORD_BOUNDARY ɔ n WORD_BOUNDARY
o WORD_BOUNDARY n WORD_BOUNDARY s p e l l s WORD_BOUNDARY o n . WORD_BOUNDARY