-er a-a a-c aaa aac aae aag aak aap aar ac- aca acc ace acg ack acp acr aea aec aee aeg aek aep aer ag- aga agc age agg agk agp agr aka akc ake akg akk akp akr ap- apa apc ape apg apk app apr ar- ara arc are arg ark arp arr c-- caa cac cae cag cak cap car cca ccc cce ccg cck ccp ccr ce- cea cec cee ceg cek cep cer cga cgc cge cgg cgp cgr cka ckc cpa cpc cpe cpg cpk cpp cpr cra crc cre crg crk crp crr eaa eac eae eag eak eap ear ec- eca ecc ece ecg eck ecr eea eec eee eeg eek eep eer ega egc ege egg egp egr eka ekc eke ekg ekp ekr ep- epa epc epe epg epp epr era erc ere erg erk erp err g-p gaa gac gae gag gak gap gar gca gcc gce gcg gck gcp gcr ge- gea gec gee geg gek gep ger gga ggc ggg ggp ggr gka gkp gpa gpc gpe gpg gpk gpp gpr gra grc gre grg grk grp grr ka- kaa kac kae kag kak kap kar kca kcc kce kcg kck kcp kcr ke- kea kec kee keg kek kep ker kga kgc kgp kkc kke kkk kkp kkr kpa kpc kpe kpk kpp kpr kra krc krg krk krp krr p-p paa pac pae pag pak pap par pca pcc pce pcg pck pcp pcr pea pec pee peg pek pep per pga pgc pge pgg pgk pgp pgr pka pkc pke pkg pkp pkr ppa ppc ppe ppg ppk ppp ppr pra prc pre prg prk prp prr ra- raa rac rae rag rak rap rar rca rcc rce rcg rcp rcr re- rea rec ree reg rek rep rer rga rgc rge rgg rgk rgp rgr rkc rke rkg rkk rkp rpa rpc rpe rpg rpk rpp rpr rra rrc rrg rrk rrp rrr

a-ak aaaa aaac aaae aaap aaar aaca aacc aace aack aacp aacr aaea aaec aaep aage aaka aake aapa aapc aara aarc aare aarp acaa acac acae acag acap acar acca accc acce accp ace- acea acec acek acer acga acgr acke acpa acpe acpr acr- acra acrc acre acrr aeac aeap aeer aega aeka aer- aera aerc agac agag agap agar agca agcc agce agea agee agep ager agga agge agra agre agrp akaa akae akap akar akca akee akeg aker akka akr- akra akre apac apak apap apar apca apcc apcr apea apec apeg apep aper apga apke appa appc appr apra aprc apre arac arae arag arak arap arar arc- arca arce area arec aree areg arek arep arga arge arka arke arpa arpe arr- arra arrc arre arrg arrk arrr caaa caac caap cac- caca cacc cace cack cacr caec caer caga cage cagg cagr caka cake capa capc cape capp cara carc care cark carp carr ccaa ccac ccag ccap ccar ccca cccc cccp ccee ccga ccgc ccpa ccpe ccpp ccpr ccra ccrc ccre ccrg ccrp ceac cear cec- ceca cece cecp ceec cege ceke cepa cepc cepe cepp cepr cer- cera cerc cere cerp cgac cgap cgcc cgcg cger ckac ckck cker ckga ckpc ckpg ckpr ckrc cpaa cpac cpag cpap cpca cpce cpea cpep cper cpga cppa cpre crac crag crap crar crca crcc crce crcr cre- crea crec cree creg crep crkc crkp crpc eaca eacc eaec eaga eage eapc eapp eara eare earp ecaa ecac ecar ecca eccc ecce ecka ecpa ecpg ecpp ecra ecrc ecrr eeca eeea eeee eega eeka eeke eera eerc eerg egaa egae egar egcc egcg egcr egea egec egee eger egge eggp egpa egpe egra egre eka- ekek eker ekka ekpe epaa epac epcc epec epee eper eppa eppc eppp epra eprp erap erca ercc erce ercp erec erer erg- erga ergg erke erpa erpe erra errc erre gaap gaar gace gack gaea gaec gaer gaga gage gagg gapa gape gapp gara gare garg garp garr gc-c gcaa gcap gccc gcpc gcrg gear geca gece geck geek geep geer gege gegg gepa gepe gera gere gggg gkrp gpaa gpac gpca gper gpgp gpra gprp grac grae grap grcc grce grea grec gree greg grep grpc grrr kaaa kaag kaak kaap kaar kacc kace kacp kaep kaer kag- kaga kagc kage kagg kagr kaka kakc kake kakk kap- kapa kapc kape kapg kapp kara kare karg kark karp karr kcaa kcac kcap kcar kcca kccc kcck kccr kcea kcec kcee kceg kcep kcgc kcgr kckc kckk kckr kcpa kcpc kcpr kcrc kcrg kcrp kcrr kea- keag keak keap kear keca kecg keck kecr keek keep keer kega kege kegg kegk kegr keka kekc keke kep- kepa kepc kepe ker- kera kerc kere kerk kerp kerr kgac kgak kgcc kgce kgcr kgec kgga kggg kggr kgpe kgpg kgpr kgra kgrc kgre kgrg kgrk kgrr kkaa kkac kkag kkap kkar kkck kkcr kkea kkeg kkgr kkkk kkpc kkpk kkrc kkre kkrk kkrr kpac kpae kpak kpar kpcc kpcr kpek kper kpga kpge kpgg kpgr kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprg kprk kprp kprr krac krae krag krak krap krar krca krcc krce krcg krea krec kree krek krka krkc krke krkk krkr krpa krpr krrc krre krrg krrk krrr paag paak paap paar paca pace pack paea paec paep paer paga page paka pake papa pape papg papp papr par- para parc pare parg park parp parr pcaa pcae pcap pcca pccc pcce pcea pcep pcer pcgg pcpp pcra pcrc pcre peac peag peak peap pear peca pece peck pecr peec peek peep peer pega pegg peka peke pekk pepa pepe per- pera perc pere perg perk perp perr pgaa pgcc pgce pger pgrc pkge ppac ppap ppar ppcc pper ppga pppa pppp pprc prae prag prar prca prcc prcp pre- prec pree preg prek prep raag raak rac- raca racc race rack raec raeg raep raer raga rage ragg raka rake rakk rapa