a-a a-b a-t aaa aab aan aao aar aat ab- aba abb abn abo abr abt an- ana anb ann ano anr ant aoa aob aon aoo aor aot ar- ara arb arn aro arr art at- ata atb atn ato atr att baa bab ban bao bar bat bba bbb bbn bbo bbr bbt bna bnb bnn bno bnr bnt boa bob bon boo bor bot bra brb brn bro brr brt bta btb btn bto btr btt naa nab nan nao nar nat nba nbb nbn nbo nbr nbt nna nnb nnn nno nnt no- noa nob non noo nor not nra nrb nrn nro nrr nrt nta ntb ntn nto ntr ntt oaa oab oan oao oar oat ob- oba obb obn obo obr obt on- ona onb onn ono onr ont oo- ooa oob oon ooo oor oot or- ora orb orn oro orr ort ot- ota otb otn oto otr ott ra- raa rab ran rao rar rat rba rbb rbn rbo rbr rbt rna rnb rnn rno rnr rnt roa rob ron roo ror rot rra rrb rrn rrr rrt rta rtb rtn rto rtr rtt taa tab tan tao tar tat tba tbb tbn tbo tbr tbt tna tnb tnn tno tnr tnt to- toa tob ton too tor tot tra trb trn tro trr trt tta ttb ttn tto ttr ttt

-ana aaaa aaab aaan aaar aaba aabb aabt aana aaon aaoo aara aaro aart aata aatt abaa abab aban abar abat abb- abba abbb abbo abbr abbt aboa abob abon aboo abor abot abra abro abta ana- anaa anab anan anao anar anat anba anbb anbo anna annb anno annt ano- anoa anon anor ant- anta anto antr antt aoba aonb aono aont aora aorb aorn aort arab aran arar arat arba arna arno arnt aroa arob aron aroo aror arr- arra arro arrr arrt arta arto artr at-t ataa atab atan atar atat atna atno atob aton ator atot atra atrn atro atta attn atto attr baaa baan baar baat baba babb babo babr bana bann bano banr bant baon bar- bara barb barn baro barr bart bata batn bato batt bbbb bnor bnrr bnta boab boan boar boat boba bobb bobo bona bonn bono bont boob boon boor boot bor- bora born boro borr bort bota botb botn boto bott brab bran brao brat brna brno broa brob bron broo bror brot brrr btaa btan btob btor btrt bttb naaa naab naan naar naat naba nabo nan- nana nanb nann nano nant naor naot nara narn naro narr nart nata nato natt nbaa nbar nbbo nnnn nnot nntn noaa noat noba nobo non- nona nonn nono nont noo- noob noon nooo noor noot nor- nora norb norn noro norr nort not- nota noto nott nrab nrna nron nrta ntto nttr oara oban obba obbo obon obor obot obra obro onab onan onar onat onna onno onon onor onra ont- onto ooaa ooba oona oont oooo oora oort ootb orab oran orao orar orat orba orbb orbo orna orno oro- oron oror orot orra orro orta orto otan otar oto- oton otoo otor otra otro otta otto raab raan raat raba rabb rabo rana rann rano rant raob rara rarb raro rata rato ratt rbbb rbbr rnbr rnnt rnot roab roan roar roat rob- roba robb robo robt rona rono ront roob roon roor root rora roro rort rota rotn roto rotr rott rrat rrna rrrr rtan taa- taan taar taat taba tabb tabo tana tann tano tant taoa taor tara tarb tarn taro tarr tart tata tatb tato tatr tatt tbar tbrb tbta toab toan toat toba tobo tobt tona tonb tonn tono tooa toon toor toot tora torn toro torr tort tota toto totr tott traa trab tran trao trat trna trno troa tron troo trot trra trtr ttab ttbb tton tttt

-aaa- aaata aabaa aabba aabra aanat aarna aaron abaab ababa abana abann abano abaon abara abarn abban abbar abbat abbot aboab aboat abobo abona abono aboon aboot abora aborn abort abott abran abrar abron abtaa abtao abtar anaba anana anant anara anart anata anato anban anbar annan annar annat annot anoba anona anono anont anoon anora anorn anota anoto antao antar antna antoa anton antor antr- antra aort- aorta ar-ab araat arab- araba arabo arana arano arant arara arata arbab arbar arbat arbon arbor arbot arnan arnar arno- arnon arnor arnot aroab aroar aroba arona aroon aroor aroot arora arran arron artar artat arto- artoo artot atana atara atbar atbat atnaa atoot atora atoto atrab atran atro- atroa atrot attan attar atto- atton attra baarn baart baata baban babar baboo babot babra banan banar banat banba banna banon banta baoro baraa barab baran barao barar barat barba barna baro- baroa baron baroo baror barot barra barro barta barto batab batan batar batat batna batob baton batoo bator batra batta batto bbart bo-bo boann boano boaro boart boban bobar bobr bonab bonan bonao bonar bonon booat booba boont boora boorn boort boota boran borat borba borbo born- borna borno bornt boro- boroa boron boroo borot borra borro botan botar boton botro botta braat brana brann brant bratt brobo brona bronn bront broon brora broto brrar brrrr btr-t btron naban nabao nabar nabat nabba naboa nabob naboo nabor nabot nanan nanao nann- nanna nanno nano- nanoa nanon nanta nanto naoto naran narat naroo naror narra narro narta natan natoo natr- natra natta natto nbaon nnooo no-no nobar nobat noboa nobob nona- nonan nonar nonna nonno nonot noora noort norba norna noron norra norro norta nortt notab notan notar notat notno noto- noton notto ntoro o-bon o-r-b oaror obaba obara obata obora oboro obrab obrat onano onaon onara onart onoba onont onoon onora onorn onota onoto onran ontar onto- ontoo ooooo oraba orana orant oraon orara orato orban orbot ornan ornon ornot orobo orona orono orton ortoo otano otara otoba otono ototo otrar ottar ra-ra raaba raaor rabab raban rabat rabba rabon rabor rabot rabta ranat ranna ranno ranon