a-ak a-be aaaa aaab aaac aaae aaam aaar aaba aabb aabc aabm aaca aacb aacc aace aack aacm aacr aaea aaec aaem aaka aake aama aamb aamc aame aamr aara aarc aare aarm abaa abab abac abae abaj abak abam abar abb- abba abbb abbe abbr abca abcb abcc abcr abec abee aber abma abmb abmc abra abrc acaa acab acac acae acar acba acca accc acce accm ace- acea acec acek acem acer acke acma acmc acme acr- acra acrc acre acrm acrr aeac aecb aeer aeka aer- aera aerc ajab ajac ajak ajam ajar ajba ajee ajka akaa akae akam akar akca akee aker akka akr- akra akre amaa amac amae amaj amam amar amb- amba ambe ambr amca amcc amec amee amer amka amm- amma amme amra amrc arab arac arae arak aram arar arba arbe arc- arca arce arcm area arec aree arek arem arja arje arka arke arma armc arme armm arr- arra arrc arre arrk arrr baaa baak baam baar baba babb babe babm babr bac- baca bacc bace back baek baer baja bak- baka bake bakr bama bamb bamc bame bamm bar- bara barb barc bare bark barm barr bbbb bbcm bbeb bbrc bcaa bcam bcar bcbc bcca bccc bccm bcec bcer bcma bcra beak beam bear beba bebb bebe beca beck beeb beej beek beem beer beja beka beke bema beme bera berc bere berk berm berr bjcc bjec bmaa bmaj bmce brab brac brae braj brak bram brca brcb brce brea breb brec bree brek brem brer brje brka brkb brmc brrm brrr caaa caab caac caam caba cabe cac- caca cacc cace cack cacm cacr caec caem caer caja caka cake cama camb camc came camk camm cara carb carc care carj cark carm carr cbac cbar cbbc cbca cbcc cbce cbcm cbcr cbea cbec cbee cber cbka cbkj cbkm cbkr cbme cbre cbrj cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm ccee cckm ccma ccmb ccmc ccmm ccra ccrc ccre ceac cear ceba cec- ceca cece cecm ceeb ceec ceem ceja cejc ceke cema cemb ceme cemm cemr cer- cera cerc cere cjar cjbc cjbk cjca cjcb cjcj cjme cjmr cjrb cjrc cjrj ckac ckbc ckbe ckck ckcm ckem cker ckjr ckrc ckrm cmaa cmac cmaj cmba cmbc cmcc cmea cmec cmmb cmmc cmra cmrr crab crac craj cram crar crbc crca crcc crce crcr cre- crea creb crec cree crem crkc crmb eaba eaca eacc eaec eama eame eara earb eare ebac ebam ebba ebbc ebbr ebcc eber ecaa ecac ecam ecar ecbc ecbe ecca eccb eccc ecce eccm ecem ecka ecma ecra ecrc ecrm ecrr eeca eeea eeee eeka eeke eera eerc ejer eka- ekab ekam ekeb ekek eker ekka ekma emac emae emaj emam emar emba embe embr emcc emek emer emjc emma emme emra emre eram erba erbb erbe erca ercc erce ereb erec erem erer erja erke erma ermc erme erra errc erre jaak jaar jaba jabr jaca jacc jace jack jaer jaja jaka jake jama jamb jara jarc jare jark jarm jarr jbaa jbar jcbc jccc jcrc jear jebb jebe jeem jeer jeke jema jemm jera jere jerk jerm jjam jjar jjcc jmcc jmrc jrbr kaaa kaab kaak kaam kaar kaba kabb kabc kabe kabr kacb kacc kace kaer kaja kajb kajc kaje kajk kajm kajr kaka kakc kake kakj kakk kakm kam- kama kamb kamc kame kamj kamm kamr kara karb kare karj kark karm karr kbaa kbab kbac kbae kbak kbam kbar kbba kbbb kbbc kbbe kbbk kbbm kbbr kbca kbcb kbce kbck kbcr kbeb kbec kbee kbek kber kbja kbjc kbjk kbjm kbkb kbkk kbkr kbmb kbmc kbme kbmr kbra kbrb kbrc kbre kbrj kbrk kcaa kcab kcac kcam kcar kcba kcbc kcbk kcbr kcca kccb kccc kcck kccr kcea kceb kcec kcee kcjb kcjc kcjj kcjk kckc kckj kckk kckm kckr kcmb kcmc kcme kcmj kcmk kcmm kcmr kcrc kcrr kea- keak keam kear keba kebb kebc kebe kebr keca keck kecr keek keem keer kejb kejj keka kekb kekc keke kema kemb kemc keme kemm kemr ker- kera kerb kerc kere kerk kerm kerr kjaa kjac kjae kjak kjam kjbb kjbr kjcb kjcc kjce kjck kjcm kjcr kjee kjem kjer kjjj kjjk kjjm kjjr kjke kjkj kjkk kjma kjmc kjme kjmj kjmk kjmm kjrb kjrc kkaa kkac kkam kkar kkba kkbb kkbe kkbj kkbr kkcb kkcj kkck kkcm kkcr kkea kkjb kkjk kkjm kkkj kkkk kkma kkmc kkmk kkmr kkrb kkrc kkre kkrk kkrr kmac kmae kmaj kmak kmam kmbc kmbr kmca kmcb kmcc kmce kmcm kmcr kmea kmem kmer kmjc kmje kmjk kmjm kmjr kmke kmkk kmme kmmj kmmk kmmm kmmr kmrb kmrc kmrj kmrr krab krac krae kraj krak kram krar krba krbb krbe krbk krbm krbr krca krcb krcc krce krcm krea kreb krec kree krej krek krem krjb krjc krje krjk krjm krka krkc krke krkk krkr krma krmb krmc krme krmj krmr krrb krrc krre krrk krrm krrr maaa maac maak maam maar maba mabe mac- maca macb macc mace mack macr maee maem maer maja majc majk maka make makj mama mamc mame mar- mara marc mare marj mark marm marr mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mccj mckk mcmc mcrc meak mear mebe mec- meca mecc mece meck mecr meek meem meer meja meje meka meke mema memc meme memr mer- mera merb merc mere merk merm mkak mker mmaa mmab mmac mmar mmcc mmcm mmea mmjb mmmc mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrce mreb mree mrkr mrmc mrrc raab raaj raak raam raba rabb rabe rabk rac- raca racc race rack raec raer raja raje rajm raka rake rakk rama ramb rame ramj ramm rara rarb rare rark rbbb rbbr rbmk rcac rcbc rccb rccc rea- reac reae reak ream rear reba rebb rebe rebk reca recc rece reck recm recr reeb reek reem reja reka reke rema reme rera rere rmjm rrkm rrmc rrrr