a-ii aaaa aaab aaac aaai aaam aaap aaba aabb aabc aabi aabm aabp aabt aaca aacb aacc aaci aacm aacp aact aaib aaic aaii aama aamb aamc aami aamp aapa aapc aapi aapm aapt aata aatc aatt abaa abab abac abai abam abap abat abb- abba abbb abbi abbt abca abcb abcc abci abcp abct abia abib abic abim abit abma abmb abmc abmt abpa abpc abpi abpm abpp abta ac-t acaa acab acac acai acap acat acba acca accc acci accm accp acct aci- acia acic acim acip acma acmc acmi acmp acpa acpi acpm acpt acta actc acti actt aiai aiba aica aicc aicp aiia aiib aiic aimc aimi aimm aimp aipa aipi aita aiti aitt amaa amac amai amam amap amat amb- amba ambi amca amcc amia amib amic amii amip amit amm- amma ammi ampa ampc ampm ampt amta amtc amti amtp apac apai apam apap apat apba apca apcb apcc apcm api- apia apic apim apip apit apma appa appc appt apta aptc apti aptt at-t ataa atab atac atai atap atat atca atcc atia atic atim atip atit atm- atma atmp atta atti attp ba-i baaa baam baat baba babb babi babm bac- baca bacc baci bact baia baib baic bait bama bamb bamc bami bamm bamp bapa bapc bapi bapp bapt bata batc bati batt bbbb bbci bbcm bcaa bcam bcap bcat bcbc bcbp bcca bccc bcci bccm bcia bcit bcma bcmp bcpp bctc biap biat biba bibb bibi bica bicc bici bima bipa bipm bipp bita bitc bitt bmaa bmci bmic bmmi bmpt bmtc bpai bpcp bpmc bpti btaa btbp btcc bttb caaa caab caac caam caap caat caba cabi cac- caca cacc caci cacm caia caib caic caim caip cait cama camb camc cami camm camp camt capa capb capc capi capm capp capt cat- cata catb catc cati catm catt cbac cbat cbbc cbca cbcc cbcm cbcp cbct cbia cbit cbpc cbpp cbta cbtc ccaa ccab ccac ccai ccam ccap ccat ccba ccbc ccca cccb cccc ccci cccm cccp ccic ccii ccim ccip ccma ccmb ccmc ccmm ccmp ccpa ccpm ccpp cctb cctc cctt ciaa ciam ciat ciba cibc cibi cica cicc cici cict ciia ciii ciit cima cimb cimi cimm cimp cipa cipp cita citb citi citp citt cmaa cmac cmap cmba cmbc cmcc cmii cmip cmmb cmmc cmmi cmpa cmpc cmpi cmpp cmta cmtc cpaa cpac cpam cpap cpbc cpca cpcm cpia cpic cpim cpma cpmp cppa cppm cptp ctab ctba ctbi ctca ctcp ctia ctic ctma ctpp ctta iaaa iaac iaai iaap iaat iaba iabm iaca iacc iacp iact iaia iaim iama iamb iami iamp iamt iapa iapm iapp iapt iata iatc iati ibac ibat ibbm ibca ibia ibim ibma ibmp ibtb ibtc icaa icab icac icai icam icap icat icbc icbm icbp icca iccb iccc icci iccp icct icma icmc icmi icmm icmp icmt icpa icpc icpm icta ictp iiac iica iiii iiit iimc iipa iipm iita iitm iitt imac imai imam imat imba imbi imca imcb imci imit imma immi immt impa impi impt imta ipac ipam ipat ipba ipca ipcc ipct ipmc ipmi ipmp ippa ippc ipta iptc itaa itac itai itam itap itat itcm itia itic itim itma itpa itpc itta ma-i maaa maac maai maam maap maat maba mabi mac- maca macb macc maci macp mact maia maib maii maim mait mama mamc mami mamp mapa mapi mapp mata matc mati matt mbac mbam mbba mbca mbci mbia mbim mbta mcaa mcac mcap mcat mcba mcbc mcbi mcca mccc mcci mcia mcic mcii mcit mcmc mcmi mcmt mcpa mcpb mcpc mcpp mctc miaa miab miac miai miam miat mibc mica micc mici mict miii miit mim- mima mimi mimp mipi mipt mit- mita mitb mitc miti mitm mitt mmaa mmab mmac mmai mmap mmcc mmci mmcm mmct mmic mmii mmmc mmmm mmpa mmpc mmpi mpaa mpac mpai mpca mpcc mpci mpct mpic mpit mpmc mppc mppp mpta mptc mptp mtaa mtab mtac mtap mtbc mtpa paap paat paba pabt paca paci pact paia paib paip pait pam- pama pamb pami pamm pamp papa papb papi papp pata pati patt pbac pbcc pbpa pcaa pcap pcba pcbc pcbm pcca pccc pcia pcim pcip pcmb pcpb pcpm pcpp piai piat pibb pibi pica picc pici pict piia piip pima pimi pimp pimt pipa pipi pipp pita piti pitt pmaa pmac pmat pmcc pmip pmma pmmp pmpm ppac ppap ppcc ppci ppcm ppib ppic pppa pppp ppta pptt ptab ptca ptcc ptmp pttc taa- taat taba tabb tabc tabi taca tacc taci tact taia taim taip tait tama tamc tami tamm tamp tapa tapi tapp tapt tata tatb tati tatt tbca tbcb tbcc tbit tbta tbtp tcam tcap tcca tccc tcpa tctc tiaa tiab tiba tibi tica ticc tiit tima timi timm timp tip- tipa tipc tipi tipp tipt tita titc titi titp titt tmaa tmac tmap tmbc tmca tmcc tmcm tmtt tpac tpap tpcp tpia tpmt tppa tppp tptp ttab ttbb ttcp ttim ttma tttt