-ic a-a a-b a-c a-i a-t aaa aab aac aai aam aao aat ab- aba abb abc abi abm abo abt ac- aca acb acc aci acm aco act ai- aia aib aic aii aim aio ait ama amb amc ami amm amo amt aoa aob aoc aoi aom aoo aot at- ata atb atc ati atm ato att baa bab bac bai bam bao bat bba bbb bbc bbi bbm bbo bbt bca bcb bcc bci bcm bco bct bi- bia bib bic bii bim bio bit bma bmb bmc bmi bmm bmo bmt boa bob boc boi bom boo bot bta btb btc bti btm bto btt c-- caa cab cac cai cam cao cat cba cbb cbc cbi cbm cbo cbt cca ccb ccc cci ccm cco cct ci- cia cib cic cii cim cio cit cma cmb cmc cmi cmm cmo cmt co- coa cob coc coi com coo cot cta ctb ctc cti ctm cto ctt ia- iaa iab iac iai iam iao iat iba ibb ibc ibi ibm ibo ibt ica icb icc ici icm ico ict iia iib iic iii iim iio iit im- ima imb imc imi imm imo imt io- ioa iob ioc ioi iom ioo iot ita itb itc iti itm ito itt m-o maa mab mac mai mam mao mat mba mbb mbc mbi mbm mbo mbt mc- mca mcb mcc mci mcm mco mct mi- mia mib mic mii mim mio mit mma mmb mmc mmi mmm mmo mmt moa mob moc moi mom moo mot mta mtb mtc mti mtm mto mtt o-i oaa oab oac oai oam oao oat ob- oba obb obc obi obm obo obt oc- oca ocb occ oci ocm oco oct oia oib oic oii oim oio oit om- oma omb omc omi omm omo omt oo- ooa oob ooc ooi oom ooo oot ot- ota otb otc oti otm oto ott taa tab tac tai tam tao tat tba tbb tbc tbi tbm tbo tbt tca tcb tcc tci tcm tco tct tia tib tic tii tim tio tit tma tmb tmc tmi tmm tmo tmt to- toa tob toc toi tom too tot tta ttb ttc tti ttm tto ttt

a-ii aaaa aaab aaac aaai aaam aaba aabb aabc aabi aabm aabt aaca aacb aacc aaci aacm aaco aact aaib aaic aaii aama aamb aamc aami aamo aaoo aata aatc aatt abaa abab abac abai abam abat abb- abba abbb abbi abbo abbt abca abcb abcc abci abct abia abib abic abim abit abma abmb abmc abmt aboa abob aboo abot abta ac-t acaa acab acac acai acat acba acca accc acci accm acco acct aci- acia acic acim acma acmc acmi acoa acom acot acta actc acti acto actt aiai aiba aibo aica aicc aiia aiib aiic aimc aimi aimm aimo aioc aioi aita aiti aitt amaa amac amai amam amat amb- amba ambi ambo amca amcc amco amia amib amic amii amit amm- amma ammi ammo amob amoc amoi amoo amot amta amtc amti amto aoba aoca aoma aotc at-t ataa atab atac atai atat atca atcc atco atia atic atim atit atm- atma atmo atob atoc atoi atom atot atta atti atto ba-i baaa baam baat baba babb babi babm babo bac- baca bacc baci baco bact baia baib baic baio bait bama bamb bamc bami bamm bata batc bati bato batt bbbb bbci bbcm bcaa bcam bcat bcbc bcca bccc bcci bccm bcia bcit bcma bctc biao biat biba bibb bibi bibo bica bicc bici bico bima bimo bio- bioc bioi biot bita bitc bito bitt bmaa bmci bmic bmmi bmoc bmtc boab boac boai boat boba bobb bobi bobo boca bocm boco boi- boii boim boit boma bomb bomi bomt boob booc boom boot bota botb boti boto bott btaa btcc btob bttb c-bo caaa caab caac caam caat caba cabi cabo cac- caca cacc caci cacm caco caia caib caic caim caio cait cama camb camc cami camm camo camt caoi cat- cata catb catc cati catm cato catt cbac cbat cbbc cbca cbcc cbcm cbct cbia cbit cbot cbta cbtc ccaa ccab ccac ccai ccam ccat ccba ccbc ccca cccb cccc ccci cccm ccic ccii ccim ccma ccmb ccmc ccmm ccob ccoc ccom cctb cctc cctt ciaa ciam ciao ciat ciba cibc cibi cibo cica cicc cici cico cict ciia ciii ciit cima cimb cimi cimm cimo ciob cita citb citi cito citt cmaa cmac cmba cmbc cmcc cmii cmmb cmmc cmmi cmoc cmot cmta cmtc coai coat coba cobb cobi cobo coca coco coct coia coit com- coma comb comc comm como coob coom coot cota cotb cotc coti coto cott ctab ctba ctbi ctca ctia ctic ctma ctmo ctot ctta iaaa iaac iaai iaat iaba iabm iaca iacc iact iaia iaim iama iamb iami iamt iata iatc iati ibac ibat ibbm ibca ibia ibim ibma ibot ibtb ibtc icaa icab icac icai icam icao icat icbc icbm icca iccb iccc icci icco icct icma icmc icmi icmm icmt icoc icom icta iiac iica iiii iiio iiit iimc iioi iioo iita iitm iitt imac imai imam imao imat imba imbi imca imcb imci imco imit imma immi immo immt imta imto ioba iobi ioci ioii ioio ioit ioma iomo iooi iooo iota ioto itaa itac itai itam itat itcm itia itic itim itma itmo itoi itoo itta itto ma-i maaa maac maai maam maat maba mabi mabo mac- maca macb macc maci maco mact maia maib maii maim maio mait mama mamc mami mamo maoc maoi mata matc mati mato matt mbac mbam mbba mbca mbci mbia mbim mbio mbta mcaa mcac mcat mcba mcbc mcbi mcca mccc mcci mcia mcic mcii mcit mcmc mcmi mcmt mcot mctc miaa miab miac miai miam miao miat mibc mica micc mici mico mict miii miio miit mim- mima mimi mimo mio- mit- mita mitb mitc miti mitm mito mitt mmaa mmab mmac mmai mmcc mmci mmcm mmct mmic mmii mmmc mmmm moaa moab moac