a-a a-b a-c a-t aaa aab aac aag aan aao aat aau ab- aba abb abc abg abn abo abt abu ac- aca acb acc acg acn aco act acu ag- aga agb agc agg agn ago agt agu an- ana anb anc ang ann ano ant anu aoa aob aoc aog aon aoo aot aou at- ata atb atc atg atn ato att atu au- aua aub auc aug aun auo aut b-u baa bab bac bag ban bao bat bau bba bbb bbc bbg bbn bbo bbt bbu bca bcb bcc bcg bcn bco bct bcu bga bgb bgc bgg bgn bgo bgt bgu bna bnb bnc bng bnn bno bnt bnu boa bob boc bog bon boo bot bou bta btb btc btg btn bto btt btu bua bub buc bug bun buo but buu c-- caa cab cac cag can cao cat cau cba cbb cbc cbg cbn cbo cbt cbu cca ccb ccc ccg ccn cco cct ccu cga cgb cgc cgg cgn cgo cgt cgu cn- cna cnb cnc cng cnn cno cnt cnu co- coa cob coc cog con coo cot cou cta ctb ctc ctg ctn cto ctt ctu cua cub cuc cug cun cuo cut cuu gaa gab gac gag gan gao gat gau gba gbc gbg gbn gbo gbt gbu gca gcb gcc gcg gcn gco gct gcu gga ggb ggc ggg ggn ggo ggt ggu gna gnb gnc gnn gno gnt gnu goa gob goc gog gon goo got gou gta gtb gtc gtg gtn gto gtt gtu gu- gua gub guc gug gun guo gut guu naa nab nac nag nan nao nat nau nba nbb nbc nbg nbn nbo nbt nbu nca ncb ncc ncg ncn nco nct ncu nga ngb ngc ngg ngn ngo ngt ngu nna nnb nnc nng nnn nno nnt nnu no- noa nob noc nog non noo not nou nta ntb ntc ntg ntn nto ntt ntu nua nub nuc nug nun nuo nut nuu oaa oab oac oag oan oao oat oau ob- oba obb obc obg obn obo obt obu oc- oca ocb occ ocg ocn oco oct ocu oga ogc ogg ogn ogo ogt on- ona onb onc ong onn ono ont onu oo- ooa oob ooc oog oon ooo oot ot- ota otb otc otg otn oto ott otu ou- oua ouc oun ouo out taa tab tac tag tan tao tat tau tba tbb tbc tbg tbn tbo tbt tbu tca tcb tcc tcg tcn tco tct tcu tga tgb tgc tgg tgn tgo tgt tgu tna tnb tnc tng tnn tno tnt to- toa tob toc tog ton too tot tou tta ttb ttc ttg ttn tto ttt ttu tua tub tuc tug tun tuo tut tuu ua- uaa uab uac uag uan uao uat uau uba ubb ubc ubg ubn ubo ubt ubu uca ucb ucc ucg ucn uco uct ucu uga ugb ugc ugg ugn ugo ugt ugu un- una unb unc ung unn uno unt unu uoa uob uoc uog uon uoo uot uta utb utc utn uto utt utu uua uuc uug uun uut uuu

-ana a-un aaaa aaab aaac aaan aaba aabb aabc aabt aaca aacb aacc aacn aaco aact aacu aana aang aaon aaoo aata aatc aatt abaa abab abac abag aban abat abau abb- abba abbb abbo abbt abca abcb abcc abcn abct abnu aboa abob abon aboo abot abou abta abtu abua abug abun abut ac-t acaa acab acac acag acan acat acba acca accc acco acct accu acga acoa acog acon acot acou acta actc actg acto actt actu acu- acuo acut ag-o agac agag agan agao agat agau agba agbo agca agcc agco agct agga aggu agna agno agob agog agon agoo agot agou agta agua agun agut ana- anaa anab anac anag anan anao anat anau anba anbb anbo anbu anca ancc anco anct ang- anga ango angu 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 atgo atna atno atob atoc aton atot atta attn atto attu atua atub atuc atug atun auaa auca auct auga auna aung aunt aut- auto auug baaa baan baat baba babb babo babu bac- baca bacc bacn baco bact baga bagg bagn bago bagt bana banc bang bann bano bant banu baon bata batc batn bato batt batu bau- baug bbau bbbb bbga bbng bcaa bcat bcbc bcbg bcca bccc bcnu bctc bcuc bgan bgca bgon bgun bnoc bnta boab boac boag boan boat boba bobb bobo bobu boca boco bocu boga bogg bogo bogt bona bonc bong bonn bono bont bonu boob booc boog boon boot bota botb botn boto bott boua boun bout btaa btan btcc btob bttb buat buba bubb bubo bubu buca bucc buco bucu buga bugg bugo buna bunb bung bunn buno bunt bunu buon but- buta buto butt c-bo caaa caab caac caan caat caba cabg cabo cabu cac- caca cacc caco caga cagg cagn cago cana canc cang cann cano cant cat- cata catb catc cato catt catu cauc cauo caut cbac cbat cbbc cbca cbcc cbcn cbct cbcu cbga cbgb cbna cbot cbta cbtc ccaa ccab ccac ccag ccat ccba ccbc ccbn ccca cccb cccc cccu ccga ccgc ccgt ccna ccnb ccnc ccnu ccob ccoc cctb cctc cctt ccuc ccut cgac cgcc cgcg cgtu cnaa cnac cnag cnbc cnco cnna cnta cntc cnut coag coan coat coba cobb cobo cobu coca coco coct cocu cogo con- cona conc cong conn cono cont coob coon coot cota cotb cotc cotn coto cott cotu coua coub coun cout ctab ctag ctan ctba ctca ctgu ctot ctta cttn cuan cuau cub- cuba cubb cuca cucc cucn cuga cuna cuno cunt cuon cut- cuta cutc cuto cutt gaba gabb gabo gabt gabu gaga gagg gago gagu gana ganc gang gann gano gant ganu gaon gata gatc gato gatt gaua gaub