-ana aaaa aaab aaan aaar aaba aabb aabt aana aang aaon aaoo aara aaro aart aata aatt abaa abab abag aban abar abat abb- abba abbb abbo abbr abbt aboa abob abon aboo abor abot abra abro abta ag-o agag agan agao agar agat agba agbo agga agna agno agob agog agon agoo agot agra agro agta agtr ana- anaa anab anag anan anao anar anat anba anbb anbo ang- anga ango anna annb anno annt ano- anoa anon anor ant- anta anto antr antt aoba aonb aono aont aora aorb aorn aort arab arag aran arar arat arba arga argb argo arna arng arno arnt aroa arob aron aroo aror arr- arra arrg arro arrr arrt arta arto artr at-t ataa atab atan atar atat atgo atna atno atob aton ator atot atra atrn atro atta attn atto attr baaa baan baar baat baba babb babo babr baga bagg bagn bago bagt bana bang bann bano banr bant baon bar- bara barb barg barn baro barr bart bata batn bato batt bbbb bbga bbng bbrg bgan bgon bnor bnrr bnta boab boag boan boar boat boba bobb bobo boga bogg bogo bogt bona bong bonn bono bont boob boog boon boor boot bor- bora borg born boro borr bort bota botb botn boto bott brab brag bran brao brat brna brno broa brob brog bron broo bror brot brrr btaa btan btob btor btrt bttb gaar gaba gabb gabo gabr gabt gaga gagg gago gana gang gann gano gant gaon gara garb garg garn garo garr gart gata gato gatr gatt gbag gban gbbo gbon ggbt gggg ggrn gnaa gnar gnat gnoo gnrr goan goar goat goba gobo goga gogo gon- gona gong gonn gono goog goon goor goot gora gorb gorg gorn goro gorr gort gota goto gott grab gran grat grbr grob grog gron groo gror grot grrr gtaa gtbr gtta naaa naab naag naan naar naat naba nabo naga nago nan- nana nanb nang nann nano nant naor naot nara narg narn naro narr nart nata nato natt nbaa nbar nbbo ngab ngan ngao ngon ngor ngtn nngn nnnn nnot nntn noaa noat noba nobo noga nogg nogo nogt non- nona nong nonn nono nont noo- noob noon nooo noor noot nor- nora norb norg norn noro norr nort not- nota noto nott nrab nrna nron nrta ntto nttr oara oban obba obbo obon obor obot obra obro ogar ogb ogba ogna ogoa ogog ogon ogra ogro onab onan onar onat onga ongo onna onno onon onor onra ont- onto ooaa ooba oona oont oooo oora oort ootb orab oran orao orar orat orba orbb orbo orga orgn orgo orna orno oro- oron oror orot orra orro orta orto otan otar oto- otog oton otoo otor otra otro otta otto raab raag raan raat raba rabb rabo raga ragg rago rana rang rann rano rant raob rara rarb raro rata rato ratt rbbb rbbr rgan rgba rgtr rnag rnbr rnnt rnot roab roag roan roar roat rob- roba robb robo robt roga rogg rogo rona rong rono ront roob roog roon roor root rora roro rort rota rotg rotn roto rotr rott rrat rrna rrrr rtan taa- taag taan taar taat taba tabb tabo taga tagg tago tana tang tann tano tant taoa taor tara tarb targ tarn taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta tnag toab toan toat toba tobo tobt toga togo togr togt tona tonb tong tonn tono tooa toon toor toot tora torg torn toro torr tort tota toto totr tott traa trab trag tran trao trat trna trng trno troa trog tron troo trot trra trtr ttab ttbb tton tttt