a-a a-b a-c a-t aaa aab aac aam aan aar aat aau ab- aba abb abc abm abn abr abt abu ac- aca acb acc acm acn acr act acu ama amb amc amm amn amr amt amu an- ana anb anc anm ann anr ant anu ar- ara arb arc arm arn arr art aru at- ata atb atc atm atn atr att atu au- aua aub auc aum aun aur aut b-u baa bab bac bam ban bar bat bau bba bbb bbc bbm bbn bbr bbt bbu bca bcb bcc bcm bcn bcr bct bcu bma bmb bmc bmm bmn bmr bmt bmu bna bnb bnc bnn bnr bnt bnu bra brb brm brn brr brt bru bta btb btc btm btn btr btt btu bua bub buc bum bun bur but buu c-- caa cab cac cam can car cat cau cba cbb cbc cbm cbn cbr cbt cbu cca ccb ccc ccm ccn ccr cct ccu cma cmb cmc cmm cmn cmr cmt cmu cn- cna cnb cnc cnm cnn cnr cnt cnu cra crb crc crm crn crr crt cru cta ctb ctc ctm ctn ctr ctt ctu cua cub cuc cum cun cur cut cuu m-r maa mab mac mam man mar mat mau mba mbb mbc mbm mbr mbt mbu mc- mca mcb mcc mcm mcn mcr mct mcu mma mmb mmc mmm mmn mmr mmt mmu mna mnb mnc mnm mnn mnr mnt mnu mra mrb mrc mrm mrn mrr mrt mru mta mtb mtc mtm mtn mtr mtt mtu mua mub muc mum mun mur mut muu naa nab nac nam nan nar nat nau nba nbb nbc nbm nbn nbr nbt nbu nca ncb ncc ncm ncn ncr nct ncu nma nmb nmc nmm nmn nmr nmt nmu nna nnb nnc nnm nnn nnt nnu nra nrb nrc nrm nrn nrr nrt nru nta ntb ntc ntm ntn ntr ntt ntu nua nub nuc num nun nur nut nuu ra- raa rab rac ram ran rar rat rau rba rbb rbc rbm rbn rbr rbt rbu rca rcb rcc rcm rcn rcr rct rcu rma rmb rmc rmm rmn rmr rmt rna rnb rnc rnm rnn rnr rnt rnu rra rrb rrc rrm rrn rrr rrt rru rta rtb rtc rtm rtn rtr rtt rtu rua rub ruc rum run rur rut ruu taa tab tac tam tan tar tat tau tba tbb tbc tbm tbn tbr tbt tbu tca tcb tcc tcm tcn tcr tct tcu tma tmb tmc tmm tmn tmr tmt tmu tna tnb tnc tnm tnn tnr tnt tra trb trc trm trn trr trt tru tta ttb ttc ttm ttn ttr ttt ttu tua tub tuc tum tun tur tut tuu ua- uaa uab uac uam uan uar uat uau uba ubb ubc ubn ubr ubt ubu uca ucb ucc ucm ucn ucr uct ucu um- uma umb umc umm umn umr umt umu un- una unb unc unm unn unr unt unu ur- ura urb urc urm urn urr urt uru uta utb utc utm utn utr utt utu uua uuc uum uun uur uut uuu

-ana a-un aaaa aaab aaac aaam aaan aaar aaba aabb aabc aabm aabt aaca aacb aacc aacm aacn aacr aact aacu aama aamb aamc aamn aamr aana aara aarc aarm aart aaru aata aatc aatt abaa abab abac abam aban abar abat abau abb- abba abbb abbr abbt abca abcb abcc abcn abcr abct abma abmb abmc abmt abnu abra abrc abta abtu abua abum abun abut ac-t acaa acab acac acan acar acat acba acca accc accm acct accu acma acmc acmu acr- acra acrc acrm acrr acta actc actt actu acu- acum acur acut amaa amac amam aman amar amat amb- amba ambn ambr ambu amca amcc amm- amma ammu amnt amra amrc amta amtc amua amum amun amur ana- anaa anab anac anam anan anar anat anau anba anbb anbu anca ancc anct anma anmu anna annb annt anrc ant- anta antm antr antt antu anua anub anum anun anut arab arac aram aran arar arat arau arba arc- arca arcm arct arma armc armm armt armu arna arnt arr- arra arrc arrr arrt arru arta artc artr arua arub arum arun arut at-t ataa atab atac atan atar atat atca atcc atcr atm- atma atmu atna atra atrc atrm atrn atru atta attn attr attu atua atub atuc atum atun atur auaa auca auct auma auna aunt aur- aura aut- baaa baam baan baar baat baba babb babm babr babu bac- baca bacc bacn bact bama bamb bamc bamm bamn bamu bana banc bann banr bant banu bar- bara barb barc barm barn barr bart baru bata batc batn batt batu bau- baum baur bbau bbbb bbcm bbrc bcaa bcam bcar bcat bcbc bcca bccc bccm bcma bcnu bcra bcru bctc bcuc bmaa bman bmtc bnrr bnta bntm brab brac bram bran brat brau brca brcb brmc brna brrm brrr brtc bruc brum brun brut btaa btan btcc btrc btrt bttb buar buat buba bubb bubu buca bucc bucu bum- buma bumb buna bunb bunn bunt bunu bur- bura burb burm burn burr burt buru but- buta butt caaa caab caac caam caan caat caba cabu cac- caca cacc cacm cacr cama camb camc camm camt cana canc cann cant cara carb carc carm carn carr cart cat- cata catb catc catm catt catu cauc caum caut cbac cbar cbat cbbc cbca cbcc cbcm cbcn cbcr cbct cbcu cbna cbrm cbrn cbrt cbta cbtc ccaa ccab ccac ccam ccar ccat ccba ccbc ccbn ccca cccb cccc cccm cccu ccma ccmb ccmc ccmm ccna ccnb ccnc ccnm ccnr ccnu ccra ccrc ccrt cctb cctc cctt ccuc ccut cmaa cmac cmba cmbc cmcc cmmb cmmc cmmn cmra cmrn cmrr cmta cmtc cmtu cnaa cnac cnam cnbc cnbm cnma cnna cnrc cnrr cnrt cnta cntc cntm cntr cnut crab crac cram cran crar crat crau crbc crbu crca crcc crcr crmb crmn crna crrt crtc crtm