a-a a-b a-t aaa aab aag aan aao aar aat ab- aba abb abg abn abo abr abt ag- aga agb agg agn ago agr agt an- ana anb ang ann ano anr ant aoa aob aog aon aoo aor aot ar- ara arb arg arn aro arr art at- ata atb atg atn ato atr att baa bab bag ban bao bar bat bba bbb bbg bbn bbo bbr bbt bga bgb bgg bgn bgo bgr bgt bna bnb bng bnn bno bnr bnt boa bob bog bon boo bor bot bra brb brg brn bro brr brt bta btb btg btn bto btr btt gaa gab gag gan gao gar gat gba gbg gbn gbo gbr gbt gga ggb ggg ggn ggo ggr ggt gna gnb gnn gno gnr gnt goa gob gog gon goo gor got gra grb grg grn gro grr grt gta gtb gtg gtn gto gtr gtt naa nab nag nan nao nar nat nba nbb nbg nbn nbo nbr nbt nga ngb ngg ngn ngo ngt nna nnb nng nnn nno nnt no- noa nob nog non noo nor not nra nrb nrg nrn nro nrr nrt nta ntb ntg ntn nto ntr ntt oaa oab oag oan oao oar oat ob- oba obb obg obn obo obr obt oga ogg ogn ogo ogt on- ona onb ong onn ono onr ont oo- ooa oob oog oon ooo oor oot or- ora orb org orn oro orr ort ot- ota otb otg otn oto otr ott ra- raa rab rag ran rao rar rat rba rbb rbg rbn rbo rbr rbt rga rgb rgg rgn rgo rgr rgt rna rnb rng rnn rno rnr rnt roa rob rog ron roo ror rot rra rrb rrg rrn rrr rrt rta rtb rtg rtn rto rtr rtt taa tab tag tan tao tar tat tba tbb tbg tbn tbo tbr tbt tga tgb tgg tgn tgo tgr tgt tna tnb tng tnn tno tnr tnt to- toa tob tog ton too tor tot tra trb trg trn tro trr trt tta ttb ttg ttn tto ttr ttt

-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

-aaa- aaarg aaata aabaa aabba aabga aabra aagot aanat aarna aaron abaab ababa abaga abago abana abang abann abano abaon abara abarn abban abbar abbat abbot abgar aboab aboat abobo abona abono aboon aboot abora