um carro+helicóptero
um carro helicóptero .
ũ WORD_BOUNDARY k a ʁ o WORD_BOUNDARY e l̪ˠ i k ɔ p t̪ ɯ ɾ u WORD_BOUNDARY
u m WORD_BOUNDARY c a r r o WORD_BOUNDARY h e l i c ó p t e r o WORD_BOUNDARY . WORD_BOUNDARY