-ana aaaa aaab aaal aaan aaar aaba aabb aabl aala aall aalo aana aaon aaoo aara aaro abaa abab abal aban abar abb- abba abbb abbo abbr abla ablo aboa abob abol abon aboo abor abra abro alaa alal alan alao alar alb- alba albo all- alla alll alln allo allr alna aloa alol alon aloo alor alro 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 baaa baal baan baar baba babb babo babr bala ball balo bana bann bano banr baol baon bar- bara barb barn baro barr 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 brab bran brao 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 lbar lblr llan llao llll lloa lloo loan loar lob- loba lobb lobo lola loll lolo lona lono lonr loob lool loon loor lora lorn loro lral lrba lron lrrr naaa naab naal naan naar naba nabl nabo nala nall nan- nana nanb nann nano naor nara narn naro narr nbaa nbar nbbo nlab nlra nlrb nnnn noaa noal noba nobo nola noll nolo non- nona nonn nono noo- noob nool noon nooo noor nor- nora norb norn noro norr nrab nrlb nrna nron nrrl oall oara obal oban obba obbo obla obol obon obor obra obro olan olar olba olbo olla ollo olon olor onab onal onan onar onla onna onno onon onor onra ooaa ooba oola oolo oona oooo oora orab oral oran orao orar orba orbb orbo orla orlo orna orno oro- oron oror orra orro raab raan raba rabb rabl rabo rala ralb rall ralo rana rann rano raob raol rara rarb raro rbbb rbbr rlab rnal rnbr roab roan roar rob- roba robb robo rola roll rolo rona rono roob rool roon roor rora roro rrna rrrr