-ana a-ha aaaa aaab aaah aaan aaar aaav aaba aabb aabh aaha aana aaon aaoo aara aaro aava abaa abab aban abar abb- abba abbb abbo abbr abha abho abhr aboa abob aboh abon aboo abor abov abra abro abva ahab ahah ahar ahha ahoa ahor ahra ahrr ahva ana- anaa anab anah anan anao anar anba anbb anbo anha anna annb anno ano- anoa anon anor aoah aoba aonb aono aora aorb aorn arab arah aran arar arba arbh arh- arna arno aroa arob aron aroo aror arr- arra arrh arro arrr arva arvn arvo avab avan avao avar avon avor avra avro avva avvo baaa baah baan baar baba babb babo babr baha bahn baho bahr bana banh bann bano banr baoh baon bar- bara barb barh barn baro barr bava bbbb bhan bhao bhar bhor bhra bnor bnrr boab boan boar boba bobb bobo boha bohn boho bohr bona bonn bono boob booh boon boor bor- bora borh born boro borr bova bovo brab brah bran brao brav brna brno broa brob broh bron broo bror brrr haab haan haar haba habo haha hahn haho hana hann hano haon haor hara harh harn haro harr harv hava hbar hhaa hhhh hnna hoan hoar hoba hobo hoha hohn hoho hono hoon hoor hora horn horo horr hova hran hrob hron hvar naaa naab naan naar naba nabo naha nahr nan- nana nanb nann nano naoh naor nara narh narn naro narr nava navo navr navv nbaa nbar nbbo nhnn nhon nhra nnnn noaa noah noba nobo noha nohn noho non- nona nonn nono noo- noob noon nooo noor noov nor- nora norb norn noro norr norv nov- nova novo nrab nrna nron oara oban obba obbo obon obor obra obrh obro ohan ohba ohho ohno ohob ohoh ohra ohrn onab onah onan onar onha onna onno onon onor onra ooaa ooba ooha ooho oona oooh oooo oora orab orah oran orao orar orav orba orbb orbo orna orno oro- oron oror orra orro orvr ovan ovar ovo- ovon ovoo ovra raab raan raba rabb rabo raha rahn rahr rana rann rano raob raoh rara rarb raro rava rbbb rbbr rboh rhoa rhob rhoh rhon rnbr roab roan roar rob- roba robb robo roha rohn rohr rona rono roob roon roor rora roro rova rovo rrah rrna rrrr rvvh vaan vaar vaho vana vann vano vara varn varr vava vhhh vnav voar voho vona vonn voor vor- vora voro vran vrav vrba vrnn vron vvob vvvv