a-ak a-be aaaa aaab aaac aaae aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aace aack aacl aacp aaea aaec aaep aaka aake aala aalc aale aall aapa aapc aapl abaa abab abac abae abaj abak abal abap abb- abba abbb abbe abca abcb abcc abcl abcp abec abee abel abla able ablj abpa abpc abpp acaa acab acac acae acap acba acbl acca accc acce accp ace- acea acec acek acel acke acla aclc acle acpa acpe aeac aeap aecb aecl aeka aela aelc aelp ajab ajac ajak ajba ajee ajep ajka ajla ajpa akaa akae akal akap akca akee akel akka akle al-p alaa alac alae alak alal alap alb- alba albc albe alca alcc alce alea alec alee alek alep alk- alka alkb alke all- alla alle alll alpa alpe alpl apac apak apal apap apba apca apcb apcc apea apec apel apep apke apl- apla aple aplp appa appc appl baaa baak baal baba babb babe bac- baca bacc bace back baek bael baja bak- baka bake bakl bala balc bale balk ball bapa bapc bape bapp bbbb bbeb bblb bcaa bcap bcbc bcbp bcca bccc bccl bcec bcpl bcpp beak beal beap beba bebb bebe beca beck beeb beej beek beel beep beja beka beke bela bele belk bell belp bjcc bjec blaa blab blac blae blaj blak blea bleb blee blek blkb bpcp bpea bpel caaa caab caac caal caap caba cabe cac- caca cacc cace cack caec caja caka cake cala calc cale calk call calp capa capb capc cape capp cbac cbal cbbc cbca cbcc cbce cbcl cbcp cbea cbec cbee cbka cbkj cbkl cblb cblc cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccpa ccpe ccpl ccpp ceac ceal ceba cebp cec- ceca cece cecp ceeb ceec ceel ceja cejc ceke cel- cela celc cele cell cepa cepc cepe cepp cjbc cjbk cjca cjcb cjcj cjcl cjpp ckac ckbc ckbe ckck ckcl ckpc clab clap clea clec clee clek clep clpb clpp cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cplc cppa e-cl e-la eaba eaca eacc eaec eala ealc eale eapc eapp ebac ebal ebba ebbc ebcc ebel ebla ecaa ecac ecal ecbc ecbe ecca eccb eccc ecce eccl ecka ecla ecpa ecpp eeca eeea eeee eeka eeke eele eka- ekab ekeb ekek ekka ekpe el-b el-p elab elac elal elba elbe elca elcb elce elea elec elee elek elka elke ella elle elpe epaa epac epcc epec epee eple epll eppa eppc eppp jaak jaal jaap jaba jaca jacc jace jack jacl jael jaja jaka jake jala jalc jale japa jape japp jbaa jbel jcap jcbc jccc jcpa jebb jebe jeel jeep jeke jell jjap jjcc jlab jpca jpcc kaaa kaab kaak kaal kaap kaba kabb kabc kabe kacb kacc kace kacl kacp kael kaep kaja kajb kajc kaje kajk kajp kaka kakc kake kakj kakk kala kalb kalc kale kalk kall kalp kap- kapa kapc kape kapl kapp kbaa kbab kbac kbae kbak kbal kbap kbba kbbb kbbc kbbe kbbk kbbl kbca kbcb kbce kbck kbcl kbeb kbec kbee kbek kbel kbja kbjc kbjk kbkb kbkk kbkl kbla kblb kble kblj kbll kblp kbpa kbpc kbpe kbpk kcaa kcab kcac kcal kcap kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcea kceb kcec kcee kcel kcep kcjb kcjc kcjj kcjk kckc kckj kckk kckl kcla kclc kcle kclk kcll kcpa kcpc kcpl kea- keak keal keap keba kebb kebc kebe keca keck keek keel keep kejb kejj kejl keka kekb kekc keke kekl kela kele kelk kell kelp kep- kepa kepc kepe kjaa kjac kjae kjak kjal kjbb kjbl kjcb kjcc kjce kjck kjee kjjj kjjk kjjl kjjp kjke kjkj kjkk kjla kjll kkaa kkac kkal kkap kkba kkbb kkbe kkbj kkbl kkcb kkcj kkck kkcl kkea kkjb kkjk kkjl kkkj kkkk kklb kklc kkll kkpc kkpk kkpl klaa klab klac klaj klak klal klap klbb klbc klbe klbj klbl klca klcb klcc klce klck klcl klea kleb klec klee klek klep klja kljb klka klkc klkk klkl klla kllb kllc klle kllk kllp klpc kpac kpae kpak kpal kpba kpbb kpbe kpbj kpbl kpcc kpcl kpek kpel kpjc kpjp kpke kpkj kpkk kpkl kpla kplc kplk kppc kppk kppl kppp laaa laac laaj laak laal laap laba labe laca lacc lace lack lacl lacp lael laja laje laka lake lala lale lall lapa lapb lapc lape lapp lbcc lcac lcbc lcca lccc lcce lcpa lcpc lcpl leaa leak leal leap leba leca lece leck leea leej leek leel leep leka leke lekk lela lele lell lepa lepe lepp ljeb ljla lkab lkal llcc lllc llll lpac lpec lpla lppl paak paal paap paba paca pace pack paea paec paep paja paje paka pake pala pale palk pall palp papa papb pape papp pbac pbcc pbpa pbpk pcaa pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcjj pclk pcll pcpb pcpp peab peac peak peal peap peba pebl peca pece peck pecl peec peek peel peep peja peje peka peke pekk pel- pela pelb pele pell pepa pepe pjak plaa plab plac plak plap plcc plce ple- plea pleb plec plee plej plek plkk plpa plpp ppac ppal ppap ppcc pple pppa pppp