a-ak aaaa aaab aaac aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aack aacl aacp aacu aaka aaku aala aalc aall aalu aapa aapc aapl aaup abaa abab abac abak abal abap abau abb- abba abbb abca abcb abcc abcl abcp abla abpa abpc abpp abua abuk abul acaa acab acac acap acba acbl acca accc accp accu acla aclc aclu acpa acpu acu- acul acup akaa akal akap akca akka akku akpu akua al-p alaa alac alak alal alap alau alb- alba albc albu alca alcc alk- alka alkb alku all- alla alll allu alpa alpl alpu alua aluk apac apak apal apap apba apca apcb apcc apl- apla aplp aplu appa appc appl appu apua apuc apup auaa auca aucp aul- aula aull aulu aupc baaa baak baal baba babb babu bac- baca bacc back bak- baka bakl baku bala balc balk ball balu bapa bapc bapp bapu bau- bauk baul bbau bbbb bblb bcaa bcap bcbc bcbp bcca bccc bccl bcpl bcpp bcuc bcup blaa blab blac blak blau blcu blkb blub blup bpcp bual buba bubb bubu buca bucc buck bucu buka bukk buku bula bulb bulk bull bulu bupa bupc caaa caab caac caal caap caba cabu cac- caca cacc cack caka cala calc calk call calp calu capa capb capc capp capu cauc cauk caul caup cbac cbal cbbc cbca cbcc cbcl cbcp cbcu cbka cbkl cblb cblc cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp cccu ccla cclc ccpa ccpl ccpp ccuc ccup ckac ckbc ckck ckcl ckpc clab clap clau clpb clpp club cpaa cpac cpap cpbc cpca cpcu cplc cppa cuau cub- cuba cubb cuca cucc cuck cuk- cuka cula culb culc culk cull culp cupl cupp kaaa kaab kaak kaal kaap kaba kabb kabc kabu kacb kacc kacl kacp kacu kaka kakc kakk kaku kala kalb kalc kalk kall kalp kalu kap- kapa kapc kapl kapp kapu kau- kaub kauc kauk kaul kaup kbaa kbab kbac kbak kbal kbap kbba kbbb kbbc kbbk kbbl kbbu kbca kbcb kbck kbcl kbcu kbkb kbkk kbkl kbla kblb kbll kblp kblu kbpa kbpc kbpk kbpu kbua kbub kbuc kbuk kbul kbup kbuu kcaa kcab kcac kcal kcap kcau kcba kcbc kcbk kcbl kcbu kcca kccb kccc kcck kccl kccu kckc kckk kckl kcla kclc kclk kcll kclu kcpa kcpc kcpl kcpu kcua kcub kcuk kcul kcup kkaa kkac kkal kkap kkba kkbb kkbl kkcb kkck kkcl kkkk kklb kklc kkll kkpc kkpk kkpl kkua kkup kkuu klaa klab klac klak klal klap klbb klbc klbl klbu klca klcb klcc klck klcl klka klkc klkk klkl klla kllb kllc kllk kllp klpc klub kluk klup kluu kpac kpak kpal kpau kpba kpbb kpbl kpcc kpcl kpkk kpkl kpla kplc kplk kplu kppc kppk kppl kppp kpua kpub kpul kuac kuap kuau kuba kubb kubc kubu kuca kucb kucc kucp kuka kukk kukl kuku kula kulb kull kulp kulu kupa kupb kupl kupu kuub kuuk kuul kuuu laaa laac laak laal laap laba labu laca lacc lack lacl lacp lacu laka lala lall lalu lapa lapb lapc lapp lapu laub lauk laul lbcc lcac lcbc lcca lccc lcpa lcpc lcpl lkab lkal llcc lllc llll lpac lpla lppl luau luba luca luck luka lula lull lulu lupa lupu luua luuk luup paak paal paap paba pabu paca pack pacu paka paku pala palk pall palp palu papa papb papp paua pauk paul paup pbac pbcc pblu pbpa pbpk pcaa pcap pcba pcbc pcca pccc pccl pclk pcll pcpb pcpp plaa plab plac plak plap plau plcc plkk plpa plpp plua pluk plup ppac ppal ppap ppcc pppa pppp publ pubu puca puck puka puku pula pulk pull pulp pulu pupa pupl pupu puuc uabc uaca uaua ubac ubal ubba ubla ubpc ucak ucal ucbc ucca uccp ucka ucla ucpa ucpb ucua ukba ukcc ukla ukpa ukup ulaa ulbc ulcc ulla ulua uluk ulul upac upal upca upla uplb uppa uppc uppp uppu upup uucp uulu uuuu