-al -er a-a a-c aaa aac aae aag aak aal aar ac- aca acc ace acg ack acl acr aea aec aee aeg aek ael aer ag- aga agc age agg agk agl agr aka akc ake akg akk akl akr al- ala alc ale alg alk all alr ar- ara arc are arg ark arl arr c-- caa cac cae cag cak cal car cca ccc cce ccg cck ccl ccr ce- cea cec cee ceg cek cel cer cga cgc cge cgg cgl cgr cka ckc cl- cla clc cle clg clk cll clr cra crc cre crg crk crl crr eaa eac eae eag eak eal ear ec- eca ecc ece ecg eck ecl ecr eea eec eee eeg eek eel eer ega egc ege egg egl egr eka ekc eke ekg ekl ekr ela elc ele elg elk ell elr era erc ere erg erk erl err gaa gac gae gag gak gal gar gca gcc gce gcg gck gcl gcr ge- gea gec gee geg gek gel ger gga ggc ggg ggr gka gla glc gle glg glk gll glr gra grc gre grg grk grl grr ka- kaa kac kae kag kak kal kar kca kcc kce kcg kck kcl kcr ke- kea kec kee keg kek kel ker kga kgc kgl kkc kke kkk kkl kkr kl- kla klc klg klr kra krc krg krk krl krr la- laa lac lae lag lak lal lar lca lcc lce lcg lck lcl lcr lea lec lee leg lek lel ler lga lgc lge lgg lgk lgl lgr lka lkg lkl lkr lla llc lle llg llk lll llr lra lrc lrg lrk lrr ra- raa rac rae rag rak ral rar rca rcc rce rcg rcl rcr re- rea rec ree reg rek rel rer rga rgc rge rgg rgk rgr rkc rke rkg rkk rla rlc rle rlg rll rlr rra rrc rrg rrk rrl rrr

a-ak aaaa aaac aaae aaal aaar aaca aacc aace aack aacl aacr aaea aaec aage aaka aake aala aalc aale aall aara aarc aare acaa acac acae acag acar acca accc acce ace- acea acec acek acel acer acga acgr acke acla aclc acle aclr acr- acra acrc acre acrr aeac aecl aeer aega aeka aela aelc aer- aera aerc agac agag agal agar agca agcc agce agea agee agel ager agga agge agla aglc agle agra agre agrl akaa akae akal akar akca akee akeg akel aker akka akle akr- akra akre alaa alac alae alag alak alal alar alca alcc alce alea alec alee aleg alek aler alg- alga alge alk- alka alke all- alla alle alll allr arac arae arag arak aral arar arc- arca arce area arec aree areg arek arel arga arge arka arke arla arle arr- arra arrc arre arrg arrk arrr caaa caac caal cac- caca cacc cace cack cacr caec caer caga cage cagg cagr caka cake cala calc cale calk call cara carc care cark carl carr ccaa ccac ccag ccar ccca cccc cccl ccee ccel ccga ccgc ccla cclc cclg ccra ccrc ccre ccrg ccrl ceac ceal cear cec- ceca cece ceec ceel cege ceke cel- cela celc cele cell cer- cera cerc cere cerl cgac cgal cgcc cgcg cgel cger ckac ckck ckcl cker ckga ckgl cklg ckrc clag clar clea clec clee cleg clek cler clkg clra crac crag crar crca crcc crce crcr cre- crea crec cree creg crkc crkl e-cl e-la eaca eacc eaec eaga eage eagl eala ealc eale eara eare earl ecaa ecac ecal ecar ecca eccc ecce eccl ecka ecla ecra ecrc ecrl ecrr eeca eeea eeee eega eeka eeke eele eera eerc eerg egaa egae egal egar egcc egcg egcr egea egec egee egel eger egge eglc egle egra egre eka- ekek eker ekka elac elal elar elca elce elea elec elee elek eler elgg elka elke ella elle elra eral erca ercc erce erec erel erer erg- erga ergg erke erla erle erll erra errc erre gaal gaar gace gack gaea gaec gael gaer gaga gage gagg gala gale galk gall gara gare garg garr gc-c gcaa gcal gccc gclc gcrg geal gear geca gece geck geek geel geer gege gegg gegl gela gele gelg gell gera gere gerl ggcl gggg glaa glak glar glcc glce glee gleg glge grac grae grcc grce grea grec gree greg grrl grrr kaaa kaag kaak kaal kaar kacc kace kacl kael kaer kag- kaga kagc kage kagg kagl kagr kaka kakc kake kakk kala kalc kale kalk kall kara kare karg kark karl karr kcaa kcac kcal kcar kcca kccc kcck kccl kccr kcea kcec kcee kceg kcel kcgc kcgl kcgr kckc kckk kckl kckr kcla kclc kcle kclk kcll kclr kcrc kcrg kcrr kea- keag keak keal kear keca kecg keck kecr keek keel keer kega kege kegg kegk kegl kegr keka kekc keke kekl kela kele kelg kelk kell ker- kera kerc kere kerk kerl kerr kgac kgak kgal kgcc kgce kgcl kgcr kgec kgga kggg kggl kggr kgkl kgla kgle kglk kglr kgra kgrc kgre kgrg kgrk kgrr kkaa kkac kkag kkal kkar kkck kkcl kkcr kkea kkeg kkgl kkgr kkkk kklc kkll kkrc kkre kkrk kkrl kkrr klaa klac klag klak klal klar klca klcc klce klck klcl klcr klea klec klee klek kler klga klgl klgr klka klkc klkk klkl klkr klla kllc klle kllk klrc klrg klrk klrr krac krae krag krak kral krar krca krcc krce krcg krcl krea krec kree krek krka krkc krke krkk krkr krla krlc krle krrc krre krrg krrk krrl krrr laaa laac laag laak laal laar laca lacc lace lack lacl lael laer lag- laga lage lagg laka lake lala lale lall lara larc lare larg lark larr lcac lcca lccc lcce lcer lcra lcrg lcrl leaa leag leak leal lear leca lece leck leea leek leel leer lega lege legg leka leke lekk lela lele lell lera lerc lere lerk lgca lger lkal llcc llgc lllc llll