a-ha aaaa aaab aaac aaah aaam aaar aaba aabb aabc aabh aabm aaca aacb aacc aach aacm aacr aacu aaha aama aamb aamc aamr aara aarc aarm aaru abaa abab abac abam abar abau abb- abba abbb abbr abca abcb abcc abch abcr abha abhm abhr abma abmb abmc abra abrc abua abum acaa acab acac acar acba acca accc acch accm accu acha achh achr achu acma acmc acmh acmu acr- acra acrc acrm acrr acu- acum acur ahab ahac ahah aham ahar ahau ahha ahmc ahra ahrc ahrr ahua ahum amaa amac amah amam amar amb- amba ambr ambu amca amcc amm- amma ammu amra amrc amua amum amur arab arac arah aram arar arau arba arbh arc- arca arch arcm arh- arma armc armh armm armu arr- arra arrc arrh arrr arru arua arub arum auaa auca auch auma aur- aura baaa baah baam baar baba babb babm babr babu bac- baca bacc bach baha bahr bahu bama bamb bamc bamm bamu bar- bara barb barc barh barm barr baru bau- baum baur bbau bbbb bbch bbcm bbrc bcaa bcam bcar bcbc bcca bccc bccm bcma bcra bcru bcuc bhar bhca bhcc bhra bhur bhuu bmaa brab brac brah bram brau brca brcb brmc brrm brrr bruc bruh brum buar buba bubb bubu buca bucc buch bucu buha buhr bum- buma bumb bur- bura burb burh burm burr buru caaa caab caac caah caam caba cabu cac- caca cacc cach cacm cacr caha cama camb camc camh camm cara carb carc carm carr cauc caum cbac cbar cbbc cbca cbcc cbcm cbcr cbcu cbha cbrh cbrm ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm cccu ccha cchr ccma ccmb ccmc ccmm ccra ccrc ccuc chaa chab chac chah cham char chau chca chch chcm chha chmb chmc chra chrb chrc chrr chua chub chum chur cmaa cmac cmah cmba cmbc cmcc cmha cmhc cmmb cmmc cmra cmrr crab crac cram crar crau crbc crbu crca crcc crcr crmb crub crum cuau cub- cuba cubb cuca cucc cucm cum- cuma cura curb curr haab haam haar haba habu haha hama hamc hamm hamr hara harc harh harm harr haru hau- haum hbar hcbc hcca hccb hccc hcch hcmc hcmm hhaa hhhh hmhb hmmm hrac hrrc huac huah huam huba hubb huch hucu huhu huma humh humm hura hurr huru huub maaa maac maam maar maba mabu mac- maca macb macc mach macr macu maha mahr mahu mama mamc mamu mar- mara marc marm marr maru maua maum maur mbac mbam mbba mbca mcaa mcac mcba mcbc mcca mccc mcmc mcrc mhac mhmm mhmr mhra mmaa mmab mmac mmar mmcc mmcm mmhm mmmc mmmh mmmm mmrc mr-c mrac mrbb mrbm mrca mrcb mrcc mrmc mrrc muac muar muc- mucc much mucu muha muhr muhu muma mumm mumu mura murc murr muru raab raam raba rabb rabu rac- raca racc rach racu raha rahm rahr rahu rama ramb ramm ramu rara rarb raua raub rauc raum rbbb rbbr rcac rcbc rccb rccc rchb rchm rhau rhcm rhum rrah rrmc rrrr rrum ruah ruba rubb rubu ruca ruch ruhh ruhm ruhr ruma rumb rumm rura rurc ruru uabc uaca uamc uarc uaru uaua ubac ubar ubba ubra ucam ucar ucbc ucca ucha ucmc ucrc ucua uhuh umaa umac umar umb- umba umma umra urac urau urba urca urch urma urra urrh urum urur uuuu