a-ak a-be aaaa aaab aaac aaae aaal aaap aaar aaba aabb aabc aabl aabp aaca aacb aacc aace aack aacl aacp aacr aaea aaec aaep aaka aake aala aalc aale aall aapa aapc aapl aara aarc aare aarp abaa abab abac abae abak abal abap abar abb- abba abbb abbe abbr abca abcb abcc abcl abcp abcr abec abee abel aber abla able abpa abpc abpp abpr abra abrc acaa acab acac acae acap acar acba acbl acca accc acce accp ace- acea acec acek acel acer acke acla aclc acle aclr acpa acpe acpr acr- acra acrc acre acrr aeac aeap aecb aecl aeer aeka aela aelc aelp aer- aera aerc akaa akae akal akap akar akca akee akel aker akka akle akr- akra akre al-p alaa alac alae alak alal alap alar alb- alba albc albe alca alcc alce alea alec alee alek alep aler alk- alka alkb alke all- alla alle alll allr alpa alpe alpl apac apak apal apap apar apba apbr apca apcb apcc apcr apea apec apel apep aper apke apl- apla aple aplp appa appc appl appr apra aprc apre arab arac arae arak aral arap arar arba arbe arc- arca arce area arec aree arek arel arep arka arke arla arle arpa arpe arpl arr- arra arrc arre arrk arrr baaa baak baal baar baba babb babe babr bac- baca bacc bace back baek bael baer bak- baka bake bakl bakr bala balc bale balk ball bapa bapc bape bapp bar- bara barb barc bare bark barr bbbb bbeb bblb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bccl bcec bcer bcpl bcpp bcra beak beal beap bear beba bebb bebe beca beck beeb beek beel beep beer beka beke bela bele belk bell belp bera berc bere berk berr bkpr blaa blab blac blae blak blea bleb blee blek blkb blrc bpcp bpea bpel bprc brab brac brae brak brca brcb brce brea breb brec bree brek brel brep brer brka brkb brlp brrr caaa caab caac caal caap caba cabe cac- caca cacc cace cack cacr caec caer caka cake cala calc cale calk call calp capa capb capc cape capp cara carb carc care cark carl carp carr cbac cbal cbar cbbc cbca cbcc cbce cbcl cbcp cbcr cbea cbec cbee cber cbka cbkl cbkr cblb cblc cbpc cbpp cbre cbrl ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccl cccp ccee ccel ccla cclc ccpa ccpe ccpl ccpp ccpr ccra ccrc ccre ccrl ccrp ceac ceal cear ceba cebp cec- ceca cece cecp ceeb ceec ceel ceke cel- cela celc cele cell cepa cepc cepe cepp cepr cer- cera cerc cere cerl cerp ckac ckbc ckbe ckck ckcl cker ckpc ckpr ckrc clab clap clar clea clec clee clek clep cler clpb clpp clra cpaa cpac cpap cpbc cpca cpce cpea cpeb cpep cper cplc cppa cpre crab crac crap crar crbc crca crcc crce crcr cre- crea creb crec cree crep crkc crkl crkp crpc e-cl e-la eaba eaca eacc eaec eala ealc eale eapc eapp eara earb eare earl earp ebac ebal ebba ebbc ebbr ebcc ebel eber ebla ecaa ecac ecal ecar ecbc ecbe ecca eccb eccc ecce eccl ecka ecla ecpa ecpp ecra ecrc ecrl ecrr eeca eeea eeee eeka eeke eele eera eerc eka- ekab ekeb ekek eker ekka ekpe el-b el-p elab elac elal elar elba elbe elca elcb elce elea elec elee elek eler elka elke ella elle elpe elra epaa epac epcc epec epee eper eple epll eppa eppc eppp epra eprb eprp eral erap erba erbb erbe erca ercc erce ercp ereb erec erel erer erke erla erle erll erpa erpe erra errc erre kaaa kaab kaak kaal kaap kaar kaba kabb kabc kabe kabr kacb kacc kace kacl kacp kael kaep kaer kaka kakc kake kakk kala kalb kalc kale kalk kall kalp kap- kapa kapc kape kapl kapp kara karb kare kark karl karp karr kbaa kbab kbac kbae kbak kbal kbap kbar kbba kbbb kbbc kbbe kbbk kbbl kbbr kbca kbcb kbce kbck kbcl kbcr kbeb kbec kbee kbek kbel kber kbkb kbkk kbkl kbkr kbla kblb kble kbll kblp kblr kbpa kbpc kbpe kbpk kbpr kbra kbrb kbrc kbre kbrk kbrl kcaa kcab kcac kcal kcap kcar kcba kcbc kcbk kcbl kcbr kcca kccb kccc kcck kccl kccr kcea kceb kcec kcee kcel kcep kckc kckk kckl kckr kcla kclc kcle kclk kcll kclr kcpa kcpc kcpl kcpr kcrc kcrp kcrr kea- keak keal keap kear keba kebb kebc kebe kebr keca keck kecr keek keel keep keer keka kekb kekc keke kekl kela kele kelk kell kelp kep- kepa kepc kepe ker- kera kerb kerc kere kerk kerl kerp kerr kkaa kkac kkal kkap kkar kkba kkbb kkbe kkbl kkbr kkcb kkck kkcl kkcr kkea kkkk kklb kklc kkll kkpc kkpk kkpl kkrb kkrc kkre kkrk kkrl kkrr klaa klab klac klak klal klap klar klbb klbc klbe klbl klca klcb klcc klce klck klcl klcr klea kleb klec klee klek klep kler klka klkc klkk klkl klkr klla kllb kllc klle kllk kllp klpc klpr klrc klrk klrr kpac kpae kpak kpal kpar kpba kpbb kpbe kpbl kpbr kpcc kpcl kpcr kpek kpel kper kpke kpkk kpkl kpkr kpla kplc kplk kplr kppc kppk kppl kppp kppr kprb kprc kpre kprk kprl kprp kprr krab krac krae krak kral krap krar krba krbb krbe krbk krbl krbr krca krcb krcc krce krcl krea kreb krec kree krek krka krkc krke krkk krkr krla krlc krle krpa krpl krpr krrb krrc krre krrk krrl krrr laaa laac laak laal laap laar laba labe labr laca lacc lace lack lacl lacp lael laer laka lake lala lale lall lapa lapb lapc lape lapp lara larb larc lare lark larp larr lbar lbcc lblr lcac lcbc lcca lccc lcce lcer lcpa lcpc lcpl lcra lcrl leaa leak leal leap lear leba leca lece leck leea leek leel leep leer leka leke lekk lela