aaaa aaab aaac aaad aaal aaam aaar aaba aabb aabc aabd aabl aabm aaca aacb aacc aacd aacl aacm aacr aacu aada aadc aadu aala aalc aald aall aalu aama aamb aamc aamd aamr aara aarc aard aarm aaru abaa abab abac abad abal abam abar abau abb- abba abbb abbr abca abcb abcc abcd abcl abcr abda abdu abla abma abmb abmc abra abrc abua abud abul abum acaa acab acac acad acar acba acbl acca accc accd accm accu acda acdb acdc acdm acla aclc aclr aclu acma acmc acmu acr- acra acrc acrm acrr acu- acul acum acur adaa adab adac adad adal adam adar adba adbc adcc adda addc addd addl addr addu adma admb adml admr adra adua adub adur alaa alac alad alal alam alar alau alb- alba albc albm albu alca alcc ald- alda aldl aldm all- alla alll allr allu alma almc almu alua alum alur amaa amac amad amal amam amar amb- amba ambr ambu amca amcc amda amla amm- amma ammu amra amrc amrl amua amud amul amum amur arab arac arad aral aram arar arau arba arc- arca arcm arda ardc ardl ardm ardu arla arma armc armd arml armm armu arr- arra arrc arrr arru arua arub arud arul arum auaa auca audc aul- aula auld aull aulu auma aur- aura aurd baaa baad baal baam baar baba babb babm babr babu bac- baca bacc bada badb badd badr badu bala balc bald ball balm balu bama bamb bamc baml bamm bamu bar- bara barb barc bard barm barr baru bau- baud baul baum baur bbad bbau bbbb bbcm bbdd bblb bbrc bcaa bcam bcar bcbc bcca bccc bccl bccm bcda bcma bcra bcru bcuc bd-r bdbc bddc bdrm blaa blab blac blad blam blau blcu bldc bldr blrc blub blud blum blur bmaa bmdb brab brac brad bram brau brca brcb brda brdm brmc brrm brrr bruc brud brum buad bual buar buba bubb bubu buca bucc bucu buda budb budd budl budu bula bulb buld bull bulu bum- buma bumb bur- bura burb burd burl burm burr buru c-cd caaa caab caac caal caam caba cabu cac- caca cacc cacm cacr cada cadc cadd cadm cadr cadu cala calc cald call calm calu cama camb camc caml camm cara carb carc card carl carm carr cauc caul caum cbac cbal cbar cbbc cbca cbcc cbcl cbcm cbcr cbcu cbdb cbdc cblb cblc cbrd cbrl cbrm ccaa ccab ccac ccad ccam ccar ccba ccbc ccca cccb cccc cccl cccm cccu ccdc ccdm ccdr ccla cclc cclm ccma ccmb ccmc ccmd ccmm ccra ccrc ccrl ccuc cd-r cdaa cdac cdad cdba cdda cddb cddl cddr cdma clab clad clam clar clau clcd cldc cldr clmd clra clrd club clud clum cmaa cmac cmba cmbc cmcc cmda cmdb cmdr cmla cmll cmmb cmmc cmml cmra cmrr crab crac cram crar crau crbc crbu crca crcc crcr crda crdc crmb crub crud crum cuau cub- cuba cubb cuca cucc cucm cuda cula culb culc culd cull culm cum- cuma cura curb curd curl curr daab daad daal daam daar daau daba dabb dabu daca dada dadu dala dall dalu dama damb daml damm damu dara darb darc dard darl darr daru daub daud daum daur dbar dbcc dcbc dcca dccb dccc dccl dccu dcdb dcma dcml dcmu dcra dddd ddlc ddrc ddub dlab dlbd dmaa dmab dmac dmba dmcc dmcm dmdc dmrb dmrc draa drab drac drad dram drar drau drba drbc drca drda drra drua drub drum druu duaa duab duad dual duar dub- duba dubb dubc dubu duca duda dudd dudu dula dulc dull dulu duma dumb dumm dura duru duul duur laaa laac laad laal laam laar laba labr labu laca lacc lacl lacu lada ladd ladu lala lald lall lalm lalu lama lamb lamd lamm lamr lamu lara larb larc lard larm larr laru laub laud laul laur lbar lbcc lblr lbmc lcac lcad lcbc lcca lccc lccm lcdd lcdr lcra lcrd lcrl lddm llcc lldb lldc lllc llll llud lmcc lmmr lrac lral lram lrba lrdd lrmc lrrc lrrr luau luba luca luda ludd lula lull lulu luma lumb lumc lura lurd luua maaa maac maad maal maam maar maba mabu mac- maca macb macc macd macr macu mada madb madc madd mal- mala mald mall malm malu mama mamc mamu mar- mara marc mard marl marm marr maru maua maud maul maum maur mbac mbam mbba mbca mbda mbdb mcaa mcac mcad mcba mcbc mcca mccc mccd mccl mcdc mcdd mcdl mcla mcmc mcml mcrc mcrd mdac mdca mdcc mdcl mddl mddm mdma mdmc mdra mdrc mdud mlab mlba mlcc mldr mmaa mmab mmac mmar mmcc mmcd mmcl mmcm mmda mmdb mmdc mmdl mmmc mmmd mmmm mmrc mr-c mrac mrad mrbb mrbm mrca mrcb mrcc mrda mrdd mrmc mrmd mrml mrrc mrud muac muar muc- mucc mucu muda mudd mudl mudu mula muld mull mulm mulu muma mumm mumu mura murc murd murl murr muru raab raad raam raba rabb rabl rabu rac- raca racc racu rada radc radd radl radm radr radu rala ralb rall rama ramb raml ramm ramu rara rarb raua raub rauc raud raul raum rbbb rbbr rbcl rcac rcbc rccb rccc rcdc rcrd rdac rdbm rdcm rdma rlab rlml rlua rmll rrad rrmc rrrr rrum ruad ruba rubb rubu ruca ruda rudd rudl rula rull ruma rumb ruml rumm rura rurc rurd ruru ruud uabc uaca uald uamc uarc uaru uaua ubac ubal ubar ubba ubla ubra ubud ucad ucal ucam ucar ucbc ucca ucdc ucdd ucla ucmc ucrc ucua udaa udad udal udar udau udbc udca udma udmc udra ulaa ulad ulam ular ulbc ulcc ulla ullr ulma ulmu ulua ulul ulum umaa umac umar umb- umba umla umma umra urac urad ural urau urba urca urda urdu urla urma urra urum urur uulu uuuu