-er a-a a-c aaa aac aae aag aak aam aar ac- aca acc ace acg ack acm acr aea aec aee aeg aek aem aer ag- aga agc age agg agk agm agr aka akc ake akg akk akm akr ama amc ame amg amk amm amr ar- ara arc are arg ark arm arr c-- caa cac cae cag cak cam car cca ccc cce ccg cck ccm ccr ce- cea cec cee ceg cek cem cer cga cgc cge cgg cgm cgr cka ckc ckm cma cmc cme cmg cmk cmm cmr cra crc cre crg crk crm crr eaa eac eae eag eak eam ear ec- eca ecc ece ecg eck ecm ecr eea eec eee eeg eek eem eer ega egc ege egg egm egr eka ekc eke ekg ekr em- ema emc eme emg emk emm emr era erc ere erg erk erm err gaa gac gae gag gak gam gar gca gcc gce gcg gck gcm gcr ge- gea gec gee geg gek gem ger gga ggc ggg ggm ggr gka gkm gma gmc gme gmg gmm gmr gra grc gre grg grk grm grr ka- kaa kac kae kag kak kam kar kca kcc kce kcg kck kcm kcr ke- kea kec kee keg kek kem ker kga kgc kgm kkc kke kkk kkm kkr kma kmc kme kmg kmk kmm kra krc krg krk krr m-r maa mac mae mag mak mam mar mc- mca mcc mce mcg mck mcm mcr mea mec mee meg mek mem mer mga mgc mge mgk mgm mgr mka mkc mke mkg mkk mkm mkr mma mmc mme mmg mmk mmm mmr mra mrc mre mrg mrk mrm mrr ra- raa rac rae rag rak ram rar rca rcc rce rcg rcm rcr re- rea rec ree reg rek rem rer rga rgc rge rgg rgk rgr rkc rke rkg rkk rkm rma rmc rme rmg rmm rmr rra rrc rrg rrk rrm rrr

a-ak aaaa aaac aaae aaam aaar aaca aacc aace aack aacm aacr aaea aaec aaem aage aaka aake aama aamc aame aamr aara aarc aare aarm acaa acac acae acag acar acca accc acce accm ace- acea acec acek acem acer acga acgr acke acma acmc acme acmg acr- acra acrc acre acrm acrr aeac aeer aega aeka aer- aera aerc agac agag agam agar agca agcc agce agea agee agem ager agga agge agma agmc agme agra agre akaa akae akam akar akca akee akeg aker akka akr- akra akre amaa amac amae amag amam amar amca amcc amec amee amer amga amka amm- amma amme amra amrc arac arae arag arak aram arar arc- arca arce arcm area arec aree areg arek arem arga arge arka arke arma armc arme armm arr- arra arrc arre arrg arrk arrr caaa caac caam cac- caca cacc cace cack cacm cacr caec caem caer caga cage cagg cagr caka cake cama camc came camk camm cara carc care cark carm carr ccaa ccac ccag ccam ccar ccca cccc cccm ccee ccga ccgc cckm ccma ccmc ccmm ccra ccrc ccre ccrg ceac cear cec- ceca cece cecm ceec ceem cege ceke cema ceme cemm cemr cer- cera cerc cere cgac cgcc cgcg cger cgmc ckac ckck ckcm ckem cker ckga ckgm ckrc ckrm cmaa cmac cmcc cmea cmec cmmc cmra cmrr crac crag cram crar crca crcc crce crcr cre- crea crec cree creg crem crkc eaca eacc eaec eaga eage eama eame eara eare ecaa ecac ecam ecar ecca eccc ecce eccm ecem ecka ecma ecra ecrc ecrm ecrr eeca eeea eeee eega eeka eeke eera eerc eerg egaa egae egar egcc egcg egcr egea egec egee egem eger egge egma egra egre eka- ekam ekek eker ekka ekma emac emae emag emam emar emcc emek emer emma emme emra emre eram erca ercc erce erec erem erer erg- erga ergg erke erma ermc erme erra errc erre gaar gace gack gaea gaec gaer gaga gage gagg gam- gama game gamm gara gare garg garm garr gc-c gcaa gccc gcma gcmc gcrg gear geca gece geck geek geer gege gegg gem- gema gemm gemr gera gere germ gggg gmac gmer gmme gmmr grac grae gram grcc grce grea grec gree greg grem grrr kaaa kaag kaak kaam kaar kacc kace kaer kag- kaga kagc kage kagg kagm kagr kaka kakc kake kakk kakm kam- kama kamc kame kamm kamr kara kare karg kark karm karr kcaa kcac kcam kcar kcca kccc kcck kccr kcea kcec kcee kceg kcgc kcgm kcgr kckc kckk kckm kckr kcmc kcme kcmg kcmk kcmm kcmr kcrc kcrg kcrr kea- keag keak keam kear keca kecg keck kecr keek keem keer kega kege kegg kegk kegr keka kekc keke kema kemc keme kemm kemr ker- kera kerc kere kerk kerm kerr kgac kgak kgam kgcc kgce kgcr kgec kgem kgga kggg kggm kggr kgmc kgme kgra kgrc kgre kgrg kgrk kgrm kgrr kkaa kkac kkag kkam kkar kkck kkcm kkcr kkea kkeg kkgm kkgr kkkk kkma kkmc kkmg kkmk kkmr kkrc kkre kkrk kkrr kmac kmae kmag kmak kmam kmca kmcc kmce kmcm kmcr kmea kmeg kmem kmer kmga kmgc kmge kmgk kmgm kmgr kmke kmkk kmme kmmg kmmk kmmm kmmr kmrc kmrr krac krae krag krak kram krar krca krcc krce krcg krcm krea krec kree krek krem krka krkc krke krkk krkr krma krmc krme krmg krmr krrc krre krrg krrk krrm krrr maaa maac maag maak maam maar mac- maca macc mace mack macr maee maem maer maga mage magg maka make mama mamc mame mar- mara marc mare marg mark marm marr mcaa mcac mcca mccc mcga mckk mcmc mcrc meag meak mear mec- meca mecc mece meck mecr meek meem meer meg- mega mege megg megr meka meke mema memc meme memr mer- mera merc mere merk merm mgam mger mgga mgrm mkak mker mmaa mmac mmar mmcc mmcg mmcm mmea mmmc mmmm mmrc mr-c mrac mrca mrcc mrce mree mreg mrkr mrmc mrrc