de bolas de nieve
de bola de nieve
prep n prep n
de bolas de nieve .
d e̞ WORD_BOUNDARY β o̞ l a s WORD_BOUNDARY d e̞ WORD_BOUNDARY n j e̞ β e̞ WORD_BOUNDARY
d e WORD_BOUNDARY b o l a s WORD_BOUNDARY d e WORD_BOUNDARY n i e v e WORD_BOUNDARY . WORD_BOUNDARY