a-a a-b a-c a-t aaa aab aac aan aao aat aau ab- aba abb abc abn abo abt abu ac- aca acb acc acn aco act acu an- ana anb anc ann ano ant anu aoa aob aoc aon aoo aot aou at- ata atb atc atn ato att atu au- aua aub auc aun auo aut b-u baa bab bac ban bao bat bau bba bbb bbc bbn bbo bbt bbu bca bcb bcc bcn bco bct bcu bna bnb bnc bnn bno bnt bnu boa bob boc bon boo bot bou bta btb btc btn bto btt btu bua bub buc bun buo but buu c-- caa cab cac can cao cat cau cba cbb cbc cbn cbo cbt cbu cca ccb ccc ccn cco cct ccu cn- cna cnb cnc cnn cno cnt cnu co- coa cob coc con coo cot cou cta ctb ctc ctn cto ctt ctu cua cub cuc cun cuo cut cuu naa nab nac nan nao nat nau nba nbb nbc nbn nbo nbt nbu nca ncb ncc ncn nco nct ncu nna nnb nnc nnn nno nnt nnu no- noa nob noc non noo not nou nta ntb ntc ntn nto ntt ntu nua nub nuc nun nuo nut nuu oaa oab oac oan oao oat oau ob- oba obb obc obn obo obt obu oc- oca ocb occ ocn oco oct ocu on- ona onb onc onn ono ont onu oo- ooa oob ooc oon ooo oot ot- ota otb otc otn oto ott otu ou- oua ouc oun ouo out taa tab tac tan tao tat tau tba tbb tbc tbn tbo tbt tbu tca tcb tcc tcn tco tct tcu tna tnb tnc tnn tno tnt to- toa tob toc ton too tot tou tta ttb ttc ttn tto ttt ttu tua tub tuc tun tuo tut tuu ua- uaa uab uac uan uao uat uau uba ubb ubc ubn ubo ubt ubu uca ucb ucc ucn uco uct ucu un- una unb unc unn uno unt unu uoa uob uoc uon uoo uot uta utb utc utn uto utt utu uua uuc uun uut uuu

-ana a-un aaaa aaab aaac aaan aaba aabb aabc aabt aaca aacb aacc aacn aaco aact aacu aana aaon aaoo aata aatc aatt abaa abab abac aban abat abau abb- abba abbb abbo abbt abca abcb abcc abcn abct abnu aboa abob abon aboo abot abou abta abtu abua abun abut ac-t acaa acab acac acan acat acba acca accc acco acct accu acoa acon acot acou acta actc acto actt actu acu- acuo acut ana- anaa anab anac anan anao anat anau anba anbb anbo anbu anca ancc anco anct anna annb anno annt ano- anoa anon ant- anta anto antt antu anua anub anun anut aoba aoca aonb aono aont aotc aoun aout at-t ataa atab atac atan atat atca atcc atco atna atno atob atoc aton atot atta attn atto attu atua atub atuc atun auaa auca auct auna aunt aut- auto baaa baan baat baba babb babo babu bac- baca bacc bacn baco bact bana banc bann bano bant banu baon bata batc batn bato batt batu bau- bbau bbbb bcaa bcat bcbc bcca bccc bcnu bctc bcuc bnoc bnta boab boac boan boat boba bobb bobo bobu boca boco bocu bona bonc bonn bono bont bonu boob booc boon boot bota botb botn boto bott boua boun bout btaa btan btcc btob bttb buat buba bubb bubo bubu buca bucc buco bucu buna bunb bunn buno bunt bunu buon but- buta buto butt c-bo caaa caab caac caan caat caba cabo cabu cac- caca cacc caco cana canc cann cano cant cat- cata catb catc cato catt catu cauc cauo caut cbac cbat cbbc cbca cbcc cbcn cbct cbcu cbna cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccbn ccca cccb cccc cccu ccna ccnb ccnc ccnu ccob ccoc cctb cctc cctt ccuc ccut cnaa cnac cnbc cnco cnna cnta cntc cnut coan coat coba cobb cobo cobu coca coco coct cocu con- cona conc conn cono cont coob coon coot cota cotb cotc cotn coto cott cotu coua coub coun cout ctab ctan ctba ctca ctot ctta cttn cuan cuau cub- cuba cubb cuca cucc cucn cuna cuno cunt cuon cut- cuta cutc cuto cutt naaa naab naac naan naat naba nabc nabo nabu naca nacc naco nan- nana nanb nann nano nant nanu naoc naot nata natc nato natt natu nauo naut nbaa nbbc nbbo nbca nbcc nbco ncaa ncac ncat ncba ncbc ncca nccc nccn ncct nccu ncna ncnc ncoa ncoc ncta nctc ncua nnnn nnot nntn noaa noac noat noba nobc nobo nobu noco noct non- nona nonn nono nont nonu noo- noob noon nooo noot not- nota noto nott noun nout ntbc ntcc ntnu ntto ntuc nuan nuba nubc nuca nucu nuna nunc nunn nuno nunt nuoc nuon nutt nutu oaau oban obba obbo obon obot ocab ocac ocan ocat ocbc occa occc occn occt ocna ocon oct- octa octo onab onan onat onc- onca onco onct onna onno onon ont- ontc onto onut ooaa ooba oona oont oooo ootb otac otan oto- oton otoo otta otto ottu ouac ouan ouat oucc oun- ouna out- outa outb outo ouu- taa- taan taat taba tabb tabc tabo tabu taca tacc taco tact tana tann tano tant tanu taoa taou tata tatb tato tatt tatu taua taub tauc taut tbca tbcb tbcc tbta tcca tccc tccu tcnn tcon tctc tnbc tnca tncc tnut toab toan toat toau toba tobo tobt tobu toca toco tona tonb tonn tono tonu tooa toon toot tota totc toto tott toun tout ttab ttbb ttcn tton tttt tuan tuao tuat tuba tubb tubo tubu tuca tucc tuco tuna tunb tunc tunn tuno tunu tuta tuto tutt tutu tuuo uabc uaca uaoc uata uatu uaua ubac ubba ubbo uboc ubon ucan ucat ucbc ucca ucon ucua ucut unaa unac unan unat unau unca uncc unco unct unna unno unon