-er a-a a-b aaa aab aae aag aak aam aar ab- aba abb abe abg abk abm abr aea aeb aee aeg aek aem aer ag- aga agb age agg agk agm agr aka akb ake akg akk akm akr ama amb ame amg amk amm amr ar- ara arb are arg ark arm arr baa bab bae bag bak bam bar bba bbb bbe bbg bbk bbm bbr be- bea beb bee beg bek bem ber bga bgb bge bgg bgk bgm bgr bka bkb bke bkg bkk bkm bkr bma bmb bme bmg bmk bmm bmr bra brb bre brg brk brm brr eaa eab eae eag eak eam ear eba ebb ebe ebg ebk ebm ebr eea eeb eee eeg eek eem eer ega egb ege egg egm egr eka ekb eke ekg ekr em- ema emb eme emg emk emm emr era erb ere erg erk erm err gaa gab gae gag gak gam gar gba gbe gbg gbk gbm gbr ge- gea geb gee geg gek gem ger gga ggb ggg ggm ggr gka gkb gkm gma gmb gme gmg gmm gmr gra grb gre grg grk grm grr ka- kaa kab kae kag kak kam kar kba kbb kbe kbk kbm kbr ke- kea keb kee keg kek kem ker kga kgb kgm kkb kke kkk kkm kkr kma kmb kme kmg kmk kmm kra krg krk krr m-r maa mab mae mag mak mam mar mba mbb mbe mbg mbk mbm mbr mea meb mee meg mek mem mer mga mgb mge mgk mgm mgr mka mkb mke mkg mkk mkm mkr mma mmb mme mmg mmk mmm mmr mra mrb mre mrg mrk mrm mrr ra- raa rab rae rag rak ram rar rba rbb rbe rbg rbk rbm rbr re- rea reb ree reg rek rem rer rga rgb rge rgg rgk rgr rkb rke rkg rkk rkm rma rmb rme rmg rmm rmr rra rrb rrg rrk rrm rrr

a-ak a-be aaaa aaab aaae aaam aaar aaba aabb aabm aaea aaem aage aaka aake aama aamb aame aamr aara aare aarm abaa abab abae abag abak abam abar abb- abba abbb abbe abbr abee aber abma abmb abra aeer aega aeka aer- aera agag agam agar agba agea agee agem ager agga agge agma agme agra agre akaa akae akam akar akee akeg aker akka akr- akra akre amaa amae amag amam amar amb- amba ambe ambr amee amer amga amka amm- amma amme amra arab arae arag arak aram arar arba arbe area aree areg arek arem arga argb arge arka arke arma arme armm arr- arra arre arrg arrk arrr baaa baak baam baar baba babb babe babm babr baek baer baga bage bagg bak- baka bake bakr bama bamb bame bamm bar- bara barb bare barg bark barm barr bbbb bbeb bbga bbgm bbmg bbrg beag beak beam bear beba bebb bebe beeb beeg beek beem beer bega begg beka beke bema beme bera bere berg berk berm berr bmaa bmag brab brae brag brak bram brea breb bree breg brek brem brer brka brkb brrm brrr eaba eaga eage eama eame eara earb eare ebam ebba ebbr eber eeea eeee eega eeka eeke eera eerg egaa egae egar egba egbe egea egee egem eger eggb egge egma egra egre eka- ekab ekam ekeb ekek eker ekka ekma emae emag emam emar emba embe embr emek emer emma emme emra emre eram erba erbb erbe ereb erem erer erg- erga ergg erke erma erme erra erre gaar gaba gabb gabe gabr gaea gaer gaga gage gagg gam- gama gamb game gamm gara garb gare garg garm garr gbag geab gear geba gebe geek geer gege gegg gem- gema gemm gemr gera gerb gere germ gggg gmer gmme gmmr grab grae gram grbr grea greb gree greg grem grrr kaaa kaab kaag kaak kaam kaar kaba kabb kabe kabg kabr kaer kag- kaga kagb kage kagg kagm kagr kaka kake kakk kakm kam- kama kamb kame kamm kamr kara karb kare karg kark karm karr kbaa kbab kbae kbak kbam kbar kbba kbbb kbbe kbbg kbbk kbbm kbbr kbeb kbee kbek kber kbga kbgb kbge kbgg kbgm kbgr kbkb kbkg kbkk kbkr kbmb kbme kbmg kbmr kbra kbrb kbre kbrg kbrk kea- keag keak keam kear keba kebb kebe kebr keek keem keer kega kege kegg kegk kegr keka kekb keke kema kemb keme kemm kemr ker- kera kerb kere kerk kerm kerr kgab kgak kgam kgba kgbb kgbr kgeb kgem kgga kggg kggm kggr kgmb kgme kgra kgrb kgre kgrg kgrk kgrm kgrr kkaa kkag kkam kkar kkba kkbb kkbe kkbg kkbr kkea kkeg kkgb kkgm kkgr kkkk kkma kkmg kkmk kkmr kkrb kkre kkrk kkrr kmae kmag kmak kmam kmbr kmea kmeg kmem kmer kmga kmge kmgk kmgm kmgr kmke kmkk kmme kmmg kmmk kmmm kmmr kmrb kmrr krab krae krag krak kram krar krba krbb krbe krbg krbk krbm krbr krea kreb kree krek krem krka krke krkk krkr krma krmb krme krmg krmr krrb krre krrg krrk krrm krrr maaa maag maak maam maar maba mabe maee maem maer maga mage magg maka make mama mame mar- mara mare marg mark marm marr mbam mbba meag meak mear mebe meek meem meer meg- mega mege megg megr meka meke mema meme memr mer- mera merb mere merk merm mgam mger mgga mgrm mkak mker mmaa mmab mmar mmea mmmm mrbb mrbm mreb mree mreg mrkr raab raag raak raam raba rabb rabe rabk raeg raer raga rage ragg raka rake rakk rama ramb rame ramm rara rarb rare rark rbbb rbbr rbmk rea- reae reak ream rear reba rebb rebe rebk reeb reek reem rega rege regm regr reka reke rema reme rera rere rerg rgba rgbe rmrg rrkm rrrr

-aaa- a-ram aaaam aaaee aaarg aabaa aabba aabga aabra aaker aakre aamer aamra aaram aarma abaab ababa ababe abaer abaga abaka abake abara abare abbar abeam abear abeba abebe abeer abega abege abegg abekr