aaaa aaab aaam aaav aaba aabb aabm aama aamb aamo aaoo aava abaa abab abam abb- abba abbb abbo abma abmb aboa abob aboo abov abva amaa amam amb- amba ambo amm- amma ammo amob amoo aoba aoma avab avao avma avva avvo baaa baam baba babb babm babo bama bamb bamm bava bbbb bmaa boab boba bobb bobo boma bomb boob boom bova bovo maaa maam maba mabo mama mamo mava mavo mbam mbav mbba mmaa mmab mmmm moaa moab moam moba mobb mobo moma momo mooa moob moov mova oama obba obbo omam omao ombo omma omo- omoa omoo omov ooaa ooba ooma oooo ovo- ovoo vama vamo vava voom vvob vvvv