a-ii aaaa aaab aaac aaai aaal aaap aaba aabb aabc aabi aabl aabp aabt aaca aacb aacc aaci aacl aacp aact aaib aaic aaii aala aalc aali aall aapa aapc aapi aapl aapt aata aatc aatt abaa abab abac abai abal abap abat abb- abba abbb abbi abbt abca abcb abcc abci abcl abcp abct abia abib abic abil abit abla abpa abpc abpi abpp abta ac-t acaa acab acac acai acap acat acba acbl acca accc acci accp acct aci- acia acic acip acla aclc acli acpa acpi acpt acta actc acti actl actt aiai aiba aibl aica aicc aicp aiia aiib aiic aila aili aipa aipi aita aiti aitt al-p alaa alac alai alal alap alat alb- alba albc albi alca alcc ali- alia alib alii alil alip alit all- alla alli alll alpa alpi alpl alta alti apac apai apal apap apat apba apca apcb apcc api- apia apic apip apit apl- apla aplp appa appc appl appt apta aptc apti aptt at-l at-t ataa atab atac atai atal atap atat atca atcc atcl atia atic atil atip atit atla atli atta atti attp ba-i baaa baal baat baba babb babi bac- baca bacc baci bact baia baib baic bail bait bala balc bali ball balt bapa bapc bapi bapp bapt bata batc bati batt bbbb bbci bblb bcaa bcap bcat bcbc bcbp bcca bccc bcci bccl bcia bcit bcpl bcpp bctc bial biap biat biba bibb bibi bibl bica bicc bici bila bili bill bilt bipa bipp bita bitc bitt blaa blab blac blat blbt blic blip blit bpai bpcp bpti btaa btbp btcc btcl btla btlp bttb caaa caab caac caal caap caat caba cabi cac- caca cacc caci caia caib caic cail caip cait cala calc cali call calp calt capa capb capc capi capp capt cat- cata catb catc cati catt cbac cbal cbat cbbc cbca cbcc cbcl cbcp cbct cbia cbit cblb cblc cbpc cbpp cbta cbtc cbtl ccaa ccab ccac ccai ccap ccat ccba ccbc ccca cccb cccc ccci cccl cccp ccic ccii ccil ccip ccla cclc ccli ccpa ccpl ccpp cctb cctc cctl cctt ciaa cial ciat ciba cibc cibi cica cicc cici cict ciia ciii ciit cila cili cill cilp cilt cipa cipp cita citb citi citl citp citt clab clai clap clat clib clic clii clip clit clpb clpp cltb cltc cpaa cpac cpap cpbc cpca cpia cpic cplc cppa cptp ctab ctal ctba ctbi ctca ctcp ctia ctic ctpp ctta iaaa iaac iaai iaal iaap iaat iaba iaca iacc iacp iact iaia iala iall iapa iapp iapt iata iatc iati ibac ibat ibca ibia ibtb ibtc ibtl icaa icab icac icai ical icap icat icbc icbp icca iccb iccc icci iccl iccp icct icll iclp icpa icpc icta ictp iiac iica iiii iiit iila iipa iita iitt ilac ilal ilbc ilca ilia ilic ilit ill- illa illi illp illt ilpa ipac ipat ipba ipca ipcc ipct ipil ippa ippc ipta iptc itaa itac itai ital itap itat itia itic itil itll itpa itpc itta laaa laac laal laap laat laba labi laca lacc laci lacl lacp lact laia laic lail laip lait lala lali lall lapa lapb lapc lapi lapp lapt lata latc lati latt lbcc lbia lcac lcat lcbc lcca lccc lcia lcpa lcpc lcpl lctl liac liat liba libc lica lict liia liii lila lilb lili lill lilt lip- lipa lipb lipc lipi lipl lipp lita litb liti litl litt llat llcc lllc llll lpac lpla lppl lptb ltac ltap ltbl ltcc ltci ltib ltpa lttc paal paap paat paba pabt paca paci pact paia paib pail paip pait pala pali pall palp palt papa papb papi papp pata pati patt pbac pbcc pbil pbpa pcaa pcap pcba pcbc pcca pccc pccl pcia pcip pcll pcpb pcpp piai pial piat pibb pibi pica picc pici pict piia piip pil- pila pili pill pilt pipa pipi pipp pita piti pitt plaa plab plac plai plap plat plcc plib plip plit plpa plpp pltt ppac ppal ppap ppcc ppci ppib ppic ppli pppa pppp ppta pptt ptab ptal ptbl ptca ptcc ptcl pttc taa- taal taat taba tabb tabc tabi tabl taca tacc taci tacl tact taia tail taip tait tala talc tali tall tapa tapi tapp tapt tata tatb tati tatt tbca tbcb tbcc tbil tbit tbta tbtp tcap tcca tccc tcpa tctc tiaa tiab tial tiba tibi tica ticc tiit tila till tilt tip- tipa tipc tipi tipp tipt tita titc titi titp titt tlac tlli tlpa tpac tpap tpcp tpia tppa tppp tptp ttab ttbb ttcp tttt