-ana aaaa aaab aaal aaan aaar aaav aaba aabb aabl aala aall aalo aana aaon aaoo aara aaro aava abaa abab abal aban abar abb- abba abbb abbo abbr abla ablo ablv aboa abob abol abon aboo abor abov abra abro abva alaa alal alan alao alar alb- alba albo all- alla alll alln allo allr alna aloa alol alon aloo alor alov alro alva alvo ana- anaa anab anal anan anao anar anba anbb anbl anbo anla anln anlo anna annb anno ano- anoa anon anor aoba aola aonb aono aora aorb aorn arab aral aran arar arba arla arlo arna arno aroa arob aron aroo aror arr- arra arro arrr arva arvn arvo avab aval avan avao avar avlb avon avor avra avro avva avvo baaa baal baan baar baba babb babo babr bala ball balo bana bann bano banr baol baon bar- bara barb barn baro barr bava bbbb bblb blaa blab blan blno blob blon bloo bnor bnrr boab boal boan boar boba bobb bobo bola boll boln bolo bona bonn bono boob bool boon boor bor- bora born boro borr bova bovo brab bran brao brav brna brno broa brob brol bron broo bror brrr laaa laal laan laar laba labo labr lala lall lalo lan- lana lann lano laon lara larb larn larr larv lava lavo lbar lblr llan llao llll lloa lloo lnav lo-v loan loar lob- loba lobb lobo lola loll lolo lona lono lonr loob lool loon loor lora lorn loro lovo lral lrba lron lrrr lvov lvrr naaa naab naal naan naar naba nabl nabo nala nall nan- nana nanb nann nano naor nara narn naro narr nava navo navr navv nbaa nbar nbbo nlab nlra nlrb nnnn noaa noal noba nobo nola noll nolo non- nona nonn nono noo- noob nool noon nooo noor noov nor- nora norb norn noro norr norv nov- nova novo nrab nrlb nrna nron nrrl nvla oall oara obal oban obba obbo obla obol obon obor obra obro olan olar olav olba olbo olla ollo olon olor olov onab onal onan onar onla onna onno onon onor onra ooaa ooba oola oolo oona oooo oora orab oral oran orao orar orav orba orbb orbo orla orlo orna orno oro- oron oror orra orro orvr oval ovan ovar ovo- ovol ovon ovoo ovra raab raan raba rabb rabl rabo rala ralb rall ralo rana rann rano raob raol rara rarb raro rava rbbb rbbr rlab rnal rnbr roab roan roar rob- roba robb robo rola roll rolo rona rono roob rool roon roor rora roro rova rovo rrna rrrr vaal vaan vaar vala vall valn valo vana vann vano vara varn varr vava vlab vlan vlba vnav voar vola voll volo vona vonn vool voor vor- vora voro vran vrav vrba vrbl vrnn vron vvob vvvv