-ic a-a a-b a-c a-i a-t aaa aab aac aai aan aat aau ab- aba abb abc abi abn abt abu ac- aca acb acc aci acn act acu ai- aia aib aic aii ain ait aiu an- ana anb anc ani ann ant anu at- ata atb atc ati atn att atu au- aua aub auc aui aun aut b-u baa bab bac bai ban bat bau bba bbb bbc bbi bbn bbt bbu bca bcb bcc bci bcn bct bcu bi- bia bib bic bii bin bit biu bna bnb bnc bni bnn bnt bnu bta btb btc bti btn btt btu bua bub buc bui bun but buu c-- caa cab cac cai can cat cau cba cbb cbc cbi cbn cbt cbu cca ccb ccc cci ccn cct ccu ci- cia cib cic cii cin cit ciu cn- cna cnb cnc cni cnn cnt cnu cta ctb ctc cti ctn ctt ctu cua cub cuc cui cun cut cuu ia- iaa iab iac iai ian iat iau iba ibb ibc ibi ibn ibt ibu ica icb icc ici icn ict icu iia iib iic iii iin iit iiu in- ina inb inc ini inn int inu ita itb itc iti itn itt itu iu- iua iub iuc iui iut n-i naa nab nac nai nan nat nau nba nbb nbc nbi nbn nbt nbu nca ncb ncc nci ncn nct ncu nia nib nic nii nin nit niu nna nnb nnc nni nnn nnt nnu nta ntb ntc nti ntn ntt ntu nua nub nuc nui nun nut nuu taa tab tac tai tan tat tau tba tbb tbc tbi tbn tbt tbu tca tcb tcc tci tcn tct tcu tia tib tic tii tin tit tiu tna tnb tnc tni tnn tnt tta ttb ttc tti ttn ttt ttu tua tub tuc tui tun tut tuu ua- uaa uab uac uai uan uat uau uba ubb ubc ubi ubn ubt ubu uca ucb ucc uci ucn uct ucu uia uib uic uii uin uit uiu un- una unb unc uni unn unt unu uta utb utc uti utn utt utu uua uuc uun uut uuu

-ana a-ii a-un aaaa aaab aaac aaai aaan aaba aabb aabc aabi aabt aaca aacb aacc aaci aacn aact aacu aaib aaic aaii aain aana aani aata aatc aatt abaa abab abac abai aban abat abau abb- abba abbb abbi abbt abca abcb abcc abci abcn abct abia abib abic abin abit abiu abnu abta abtu abua abun abut ac-t acaa acab acac acai acan acat acba acca accc acci acct accu aci- acia acic acin acta actc acti actt actu acu- acut aiai aian aiba aibn aica aicc aiia aiib aiic aiin aina ainc aini aint ainu aita aiti aitt aitu aiui ana- anaa anab anac anai anan anat anau anba anbb anbi anbu anca ancc anct ania anib anic anin anit aniu anna annb anni annt ant- anta anti antt antu anua anub anui anun anut at-t ataa atab atac atai atan atat atca atcc atia atic atin atit atiu atna atta atti attn attu atua atub atuc atun auaa auca auci auct auna aunt aut- ba-i baaa baan baat baba babb babi babu bac- baca bacc baci bacn bact baia baib baic bain bait bana banc bani bann bant banu bata batc bati batn batt batu bau- bbau bbbb bbci bbin bcaa bcat bcbc bcca bccc bcci bcia bcit bcnu bctc bcuc bian biat biba bibb bibi bica bicc bici biin bin- bina binc bini binn bint binu bita bitc bitt bitu bnai bnib bnin bnta btaa btan btcc bttb buat buba bubb bubi bubu buca bucc buci bucu buic buin buit buiu buna bunb buni bunn bunt bunu but- buta buti butt caaa caab caac caan caat caba cabi cabu cac- caca cacc caci caia caib caic cain cait caiu cana canc cani cann cant cat- cata catb catc cati catt catu cauc caut cbac cbat cbbc cbca cbcc cbcn cbct cbcu cbia cbit cbna cbta cbtc ccaa ccab ccac ccai ccat ccba ccbc ccbn ccca cccb cccc ccci cccu ccic ccii ccna ccnb ccnc ccni ccnu cctb cctc cctt ccuc ccut ciaa cian ciat ciau ciba cibc cibi cica cicc cici cict cicu ciia ciii ciit cin- cina cinc cini cint cita citb citi citt citu ciuc cnaa cnac cnbc cnci cnib cnic cnna cnta cntc cnut ctab ctan ctba ctbi ctca ctia ctic ctta cttn cuan cuau cub- cuba cubb cubi cuca cucc cuci cucn cui- cuin cuit cuna cunt cut- cuta cutc cutt iaaa iaac iaai iaat iaba iaca iacc iact iacu iaia iain iana iata iatc iati ibac iban ibat ibca ibia ibtb ibtc icaa icab icac icai ican icat icbc icca iccb iccc icci iccn icct iccu icnb icnc icta icub iiac iica iiii iiit iita iitt iiuc inab inac inai inan inat inau inba inca incb inci inia init inna inni innu inta inti intn intu inua inui inun itaa itac itai itan itat itia itic itin itta iucc iuiu n-ii naaa naab naac naai naan naat naba nabc nabi nabu naca nacc naci naia naib naic nain nait nan- nana nanb nani nann nant nanu nata natc nati natt natu naut nbaa nbbc nbca nbcc nbci nbia nbic nbti ncaa ncac ncat ncba ncbc ncbi ncca nccc ncci nccn ncct nccu ncia ncit ncna ncnc ncta nctc ncua niab niac nian niau nibi nica nicc nici nicu niia niit niiu nina nini nita nitb nitc niti nnit nnnn nntn ntbc ntcc ntia ntnu ntuc ntui nuan nuba nubc nubi nuca nuci nucu nuin nuit nuna nunc nunn nunt nutt nutu taa- taan taat taba tabb tabc tabi tabu taca tacc taci tact taia tain tait tana tani tann tant tanu tata tatb tati tatt tatu taua taub tauc taut tbca tbcb tbcc tbit tbta tcca tccc tccu tcnn tctc tiaa tiab tian tiba tibi tibu tica ticc tiit tiiu tina tinc tini tinn tint tinu tita titc titi titt