-ana aaaa aaab aaan aaar aaba aabb aana aang aaon aaoo aara aaro abaa abab abag aban abar abb- abba abbb abbo abbr aboa abob abon aboo abor abra abro ag-o agag agan agao agar agba agbo agga agna agno agob agog agon agoo agra agro ana- anaa anab anag anan anao anar anba anbb anbo ang- anga ango anna annb anno ano- anoa anon anor aoba aonb aono aora aorb aorn arab arag aran arar arba arga argb argo arna arng arno aroa arob aron aroo aror arr- arra arrg arro arrr baaa baan baar baba babb babo babr baga bagg bagn bago bana bang bann bano banr baon bar- bara barb barg barn baro barr bbbb bbga bbng bbrg bgan bgon bnor bnrr boab boag boan boar boba bobb bobo boga bogg bogo bona bong bonn bono boob boog boon boor bor- bora borg born boro borr brab brag bran brao brna brno broa brob brog bron broo bror brrr gaar gaba gabb gabo gabr gaga gagg gago gana gang gann gano gaon gara garb garg garn garo garr gbag gban gbbo gbon gggg ggrn gnaa gnar gnoo gnrr goan goar goba gobo goga gogo gon- gona gong gonn gono goog goon goor gora gorb gorg gorn goro gorr grab gran grbr grob grog gron groo gror grrr naaa naab naag naan naar naba nabo naga nago nan- nana nanb nang nann nano naor nara narg narn naro narr nbaa nbar nbbo ngab ngan ngao ngon ngor nngn nnnn noaa noba nobo noga nogg nogo non- nona nong nonn nono noo- noob noon nooo noor nor- nora norb norg norn noro norr nrab nrna nron oara oban obba obbo obon obor obra obro ogar ogb ogba ogna ogoa ogog ogon ogra ogro onab onan onar onga ongo onna onno onon onor onra ooaa ooba oona oooo oora orab oran orao orar orba orbb orbo orga orgn orgo orna orno oro- oron oror orra orro raab raag raan raba rabb rabo raga ragg rago rana rang rann rano raob rara rarb raro rbbb rbbr rgan rgba rnag rnbr roab roag roan roar rob- roba robb robo roga rogg rogo rona rong rono roob roog roon roor rora roro rrna rrrr