-ana a-un aaaa aaab aaan aaar aaav aaba aabb aana aara aaru aava abaa abab aban abar abau abb- abba abbb abbr abnu abra abua abun abva ana- anaa anab anan anar anau anba anbb anbu anna annb anua anub anun arab aran arar arau arba arna arr- arra arrr arru arua arub arun arva arvn auaa auna aur- aura avab avan avar avra avun avur avva baaa baan baar baba babb babr babu bana bann banr banu bar- bara barb barn barr baru bau- baur bava bavu bbau bbbb bnrr brab bran brau brav brna brrr brun bruv buar buba bubb bubu buna bunb bunn bunu bur- bura burb burn burr buru naaa naab naan naar naba nabu nan- nana nanb nann nanu nara narn narr naru naur nava navr navv nbaa nbar nnnn nrab nrna nuan nuba nuna nunn nura nurn nurr nuru nurv nuva raab raan raba rabb rabu rana rann rara rarb raua raub raun rava rbbb rbbr rnbr rrna rrrr rrun ruan ruba rubb rubu runa runn rura ruru ruun ruvu uaru uaua ubar ubba ubra unaa unan unar unau unna unra uran urau urba urna urra urun urur urva uuuu uv-a uv-b uvaa uvvu vaan vaar vana vann vanu vara varn varr varu vava vnav vran vrav vrba vrnn vurb vvvv