a-ha aaaa aaab aaac aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aacr aagh aaha aama aamb aamc aamr aara aarc aarm abaa abab abac abag abam abar abb- abba abbb abbr abca abcb abcc abch abcr abha abhm abhr abma abmb abmc abra abrc acaa acab acac acag acar acba acca accc acch accm acga acgr acha achh achr acma acmc acmg acmh acr- acra acrc acrm acrr agac agag agam agar agba agca agcc agga agha agma agmc agra ahab ahac ahah aham ahar ahha ahmc ahra ahrc ahrr amaa amac amag amah amam amar amb- amba ambr amca amcc amga amm- amma amra amrc arab arac arag arah aram arar arba arbh arc- arca arch arcm arga argb argh arh- arma armc armh armm arr- arra arrc arrg arrh arrr baaa baah baam baar baba babb babm babr bac- baca bacc bach baga bagg bagh baha bahr bama bamb bamc bamm bar- bara barb barc barg barh barm barr bbbb bbch bbcm bbga bbgm bbmg bbrc bbrg bcaa bcam bcar bcbc bcbg bcca bccc bccm bcma bcra bgca bhag bhar bhca bhcc bhra bmaa bmag brab brac brag brah bram brca brcb brmc brrm brrr caaa caab caac caah caam caba cabg cac- caca cacc cach cacm cacr caga cagg cagr caha cama camb camc camh camm cara carb carc carm carr cbac cbar cbbc cbca cbcc cbcm cbcr cbga cbgb cbha cbrh cbrm ccaa ccab ccac ccag ccam ccar ccba ccbc ccca cccb cccc cccm ccga ccgc ccha cchr ccma ccmb ccmc ccmm ccra ccrc ccrg cgac cgcc cgcg cgmc chaa chab chac chag chah cham char chca chch chcm chgb chha chmb chmc chra chrb chrc chrr cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmhg cmmb cmmc cmra cmrr crab crac crag cram crar crbc crca crcc crcr crmb gaar gaba gabb gabr gach gaga gagg gaha gam- gama gamb gamm gara garb garg garm garr gbag gbmc gc-c gcaa gcbc gccc gcma gcmc gcrg gggg gghg gham ghar gmac gmch gmhb gmmr grab grac gram grbr grcc grrr haab haag haam haar haba hag- haga hagg hagh haha hama hamc hamm hamr hara harc harh harm harr hbag hbar hcbc hcca hccb hccc hcch hcgh hcmc hcmm hgah hgar hggc hhaa hhgg hhhh hmga hmhb hmmm hrac hrrc maaa maac maag maam maar maba mac- maca macb macc mach macr maga magg magh maha mahr mama mamc mar- mara marc marg marm marr mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mcga mcmc mcrc mgam mgga mgrm mhac mhmm mhmr mhra mmaa mmab mmac mmar mmcc mmcg mmcm mmhg mmhm mmmc mmmh mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrmc mrrc raab raag raam raba rabb rac- raca racc rach raga ragg ragh raha rahm rahr rama ramb ramm rara rarb rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rchm rcrg rgba rhag rhbg rhcg rhcm rmrg rrah rrmc rrrr