a-a a-b a-c aaa aab aac aag aam aar aau ab- aba abb abc abg abm abr abu ac- aca acb acc acg acm acr acu ag- aga agb agc agg agm agr agu ama amb amc amg amm amr amu ar- ara arb arc arg arm arr aru au- aua aub auc aug aum aur b-u baa bab bac bag bam bar bau bba bbb bbc bbg bbm bbr bbu bca bcb bcc bcg bcm bcr bcu bga bgb bgc bgg bgm bgr bgu bma bmb bmc bmg bmm bmr bmu bra brb brg brm brr bru bua bub buc bug bum bur buu c-- caa cab cac cag cam car cau cba cbb cbc cbg cbm cbr cbu cca ccb ccc ccg ccm ccr ccu cga cgb cgc cgg cgm cgr cgu cma cmb cmc cmg cmm cmr cmu cra crb crc crg crm crr cru cua cub cuc cug cum cur cuu gaa gab gac gag gam gar gau gba gbc gbg gbm gbr gbu gca gcb gcc gcg gcm gcr gcu gga ggb ggc ggg ggm ggr ggu gma gmb gmc gmg gmm gmr gra grb grc grg grm grr gru gu- gua gub guc gug gum gur guu m-r maa mab mac mag mam mar mau mba mbb mbc mbg mbm mbr mbu mc- mca mcb mcc mcg mcm mcr mcu mga mgb mgc mgm mgr mgu mma mmb mmc mmg mmm mmr mmu mra mrb mrc mrg mrm mrr mru mua mub muc mug mum mur muu ra- raa rab rac rag ram rar rau rba rbb rbc rbg rbm rbr rbu rca rcb rcc rcg rcm rcr rcu rga rgb rgc rgg rgr rma rmb rmc rmg rmm rmr rra rrb rrc rrg rrm rrr rru rua rub ruc rug rum rur ruu ua- uaa uab uac uag uam uar uau uba ubb ubc ubg ubr ubu uca ucb ucc ucg ucm ucr ucu uga ugb ugc ugg ugm ugr ugu um- uma umb umc umg umm umr umu ur- ura urb urc urg urm urr uru uua uuc uug uum uur uuu

aaaa aaab aaac aaam aaar aaba aabb aabc aabm aaca aacb aacc aacm aacr aacu aama aamb aamc aamr aara aarc aarm aaru abaa abab abac abag abam abar abau abb- abba abbb abbr abca abcb abcc abcr abma abmb abmc abra abrc abua abug abum acaa acab acac acag acar acba acca accc accm accu acga acgr acma acmc acmg acmu acr- acra acrc acrm acrr acu- acum acur agac agag agam agar agau agba agca agcc agga aggu agma agmc agra agua agur amaa amac amag amam amar amb- amba ambr ambu amca amcc amga amm- amma ammu amra amrc amua amum amur arab arac arag aram arar arau arba arc- arca arcm arga argb arma armc armm armu arr- arra arrc arrg arrr arru arua arub arug arum auaa auca auga auma aur- aura auug baaa baam baar baba babb babm babr babu bac- baca bacc baga bagg bama bamb bamc bamm bamu bar- bara barb barc barg barm barr baru bau- baug baum baur bbau bbbb bbcm bbga bbgm bbmg bbrc bbrg bcaa bcam bcar bcbc bcbg bcca bccc bccm bcma bcra bcru bcuc bgca bmaa bmag brab brac brag bram brau brca brcb brmc brrm brrr bruc brug brum buar buba bubb bubu buca bucc bucu buga bugg bum- buma bumb bur- bura burb burg burm burr buru caaa caab caac caam caba cabg cabu cac- caca cacc cacm cacr caga cagg cagr cama camb camc camm cara carb carc carm carr cauc caum cbac cbar cbbc cbca cbcc cbcm cbcr cbcu cbga cbgb cbrm ccaa ccab ccac ccag ccam ccar ccba ccbc ccca cccb cccc cccm cccu ccga ccgc ccma ccmb ccmc ccmm ccra ccrc ccrg ccuc cgac cgcc cgcg cgmc cmaa cmac cmba cmbc cmcc cmmb cmmc cmra cmrr crab crac crag cram crar crau crbc crbu crca crcc crcr crmb crub crug crum cuau cub- cuba cubb cuca cucc cucm cuga cum- cuma cura curb curr gaar gaba gabb gabr gabu gaga gagg gagu gam- gama gamb gamm gara garb garg garm garr gaua gaub gaum gaur gbag gbmc gc-c gcaa gcbc gccc gcma gcmc gcrg gggg gmac gmmr grab grac gram grau grbr grcc grrr grua grub grug grum grur guaa guac guag guam guar guba gubb gubu guca guga gugb gugg gugu guma gumb gumm gura gurb gurg gurr guru maaa maac maag maam maar maba mabu mac- maca macb macc macr macu maga magg magu mama mamc mamu mar- mara marc marg marm marr maru maua maum maur mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mcga mcmc mcrc mcug mgam mgga mgrm mmaa mmab mmac mmar mmcc mmcg mmcm mmmc mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrmc mrrc muac muar muc- mucc mucu muga mugg mugu muma mumm mumu mura murc murg murr muru raab raag raam raba rabb rabu rac- raca racc racu raga ragg ragu rama ramb ramm ramu rara rarb raua raub rauc raum rbbb rbbr rcac rcbc rccb rccc rcga rcgc rcrg rgba rmrg rrmc rrrr rrum ruag ruba rubb rubu ruca ruga rugg ruma rumb rumm rura rurc ruru uabc uaca uamc uarc uaru uaua ubac ubar ubba ubra ucam ucar ucbc ucca ucmc ucrc ucua ugab ugar ugcc ugcg ugra ugur uguu umaa umac umag umar umb- umba umma ummg umra urac urau urba urca urga urgu urma urra urum urur uuuu

-aaa- a-mac a-ram aaaam aaarc aaarg aabaa aabba aabga aabra aacbc aamra aaram aarau aarma abaab ababa ababu abaca abaga abara abaru abbac abbar abbur abcam abccc abgar abrac abram abrar abura aburr acaca acacb acar- acara acarm acaua acccg accra accub accum accur acrab acuba acura agam- agama agara agcam aggag aggar agram agrum aguar agura amaga amama amara amarc amaru amaua ambac ambam ambar ambra ambur ammar amram amrum amuru ar-ab ara-c arab- araba araca arama arara araru arbab arbar arcam armar armur