a-ii aaaa aaab aaac aaai aaal aaap aaba aabb aabc aabi aabl aabp aaca aacb aacc aaci aacl aacp aacu aaib aaic aaii aala aalc aali aall aalu aapa aapc aapi aapl aaup abaa abab abac abai abal abap abau abb- abba abbb abbi abca abcb abcc abci abcl abcp abia abib abic abil abiu abla abpa abpc abpi abpp abua abul acaa acab acac acai acap acba acbl acca accc acci accp accu aci- acia acic acip acla aclc acli aclu acpa acpi acpu acu- acul acup aiai aiba aibl aica aicc aicp aiia aiib aiic aila aili ailu aipa aipi aiui al-p alaa alac alai alal alap alau alb- alba albc albi albu alca alcc ali- alia alib alii alil alip aliu all- alla alli alll allu alpa alpi alpl alpu alua alui apac apai apal apap apba apca apcb apcc api- apia apic apip apl- apla aplp aplu appa appc appl appu apua apuc apup auaa auca auci aucp aul- aula auli aull aulu aupc ba-i baaa baal baba babb babi babu bac- baca bacc baci baia baib baic bail bala balc bali ball balu bapa bapc bapi bapp bapu bau- baul bbau bbbb bbci bblb bcaa bcap bcbc bcbp bcca bccc bcci bccl bcia bcpl bcpp bcuc bcup bial biap biba bibb bibi bibl bica bicc bici bila bili bill bilu bipa bipp bipu blaa blab blac blau blcu blic blip blub blup bpai bpcp bual buba bubb bubi bubu buca bucc buci bucu buic buiu bula bulb buli bull bulu bupa bupc caaa caab caac caal caap caba cabi cabu cac- caca cacc caci caia caib caic cail caip caiu cala calc cali call calp calu capa capb capc capi capp capu cauc caul caup cbac cbal cbbc cbca cbcc cbcl cbcp cbcu cbia cblb cblc cbpc cbpp ccaa ccab ccac ccai ccap ccba ccbc ccca cccb cccc ccci cccl cccp cccu ccic ccii ccil ccip ccla cclc ccli ccpa ccpl ccpp ccuc ccup ciaa cial ciau ciba cibc cibi cica cicc cici cicu ciia ciii cila cili cill cilp cipa cipp ciuc ciup clab clai clap clau clib clic clii clip clpb clpp club cpaa cpac cpap cpbc cpca cpcu cpia cpic cplc cppa cuau cub- cuba cubb cubi cuca cucc cuci cui- cuil cula culb culc cull culp cupl cupp iaaa iaac iaai iaal iaap iaba iaca iacc iacp iacu iaia iala iall ialu iapa iapp iapu ibac ibca ibia icaa icab icac icai ical icap icbc icbp icca iccb iccc icci iccl iccp iccu icll iclp icpa icpc icub icup iiac iica iiii iila iipa iiuc ilac ilal ilbc ilca ilia ilic ill- illa illi illp ilpa ipac ipba ipca ipcc ipil ippa ippc iucc iuiu iupa iupp laaa laac laal laap laba labi labu laca lacc laci lacl lacp lacu laia laic lail laip lala lali lall lalu lapa lapb lapc lapi lapp lapu laub laul lbcc lbia lcac lcbc lcca lccc lcia lcpa lcpc lcpl liac liba libc libu lica liia liii lila lilb lili lill lilu lip- lipa lipb lipc lipi lipl lipp lipu liua llcc lllc llll lpac lpla lppl luai luau luba luca luci lula luli lull lulu lupa lupi lupu luua luup paal paap paba pabu paca paci pacu paia paib pail paip pala pali pall palp palu papa papb papi papp paua paul paup pbac pbcc pbil pblu pbpa pcaa pcap pcba pcbc pcca pccc pccl pcia pcip pcll pcpb pcpp piai pial piau pibb pibi pica picc pici picu piia piip pil- pila pili pill pilu pipa pipi pipp plaa plab plac plai plap plau plcc plib plip plpa plpp plua plup ppac ppal ppap ppcc ppci ppib ppic ppli pppa pppp publ pubu puca puiu pula puli pull pulp pulu pupa pupi pupl pupu puuc uabc uaca uaua ubac ubal ubba ubbi ubic ubii ubla ubli ubpc ucai ucal ucbc ucca ucci uccp ucil ucla ucpa ucpb ucua uica uipi ulaa ulai ulbc ulcc ulic ulla ulli ulua ulul upac upal upca upci upic upla uplb uppa uppc uppp uppu upup uucp uulu uuuu