a-fu a-ha aaaa aaab aaac aaaf aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aacf aach aacl aacr aacu aafa aafb aafc aaff aafl aaha aahl aala aalc aall aalu aara aarc aaru abaa abab abac abaf abal abar abau abb- abba abbb abbr abca abcb abcc abcf abch abcl abcr abff abha abhr abla abra abrc abua abuf abul acaa acab acac acar acba acbl acca accc accf acch accu acfc acfl acha achh achl achr achu acla aclc aclr aclu acr- acra acrc acrr acu- acuf acul acur afaa afar afca afcb afcc afch afcu affa affc afla aflc afr- afra afrc afru afua ahab ahac ahah ahal ahar ahau ahfa ahha ahla ahlu ahra ahrc ahrr ahua alaa alac alal alar alau alb- alba albc albu alca alcc alfa alha all- alla allh alll allr allu alua aluf alur arab arac araf arah aral arar arau arba arbh arc- arca arch arfa arfb arfc arff arfu arh- arla arr- arra arrc arrh arrr arru arua arub arul auaa auca auch aufc aul- aula aulf aull aulu aur- aura baaa baaf baah baal baar baba babb babr babu bac- baca bacc bach bafc baff baha bahl bahr bahu bala balc balf ball balu bar- bara barb barc barf barh barr baru bau- bauf baul baur bbau bbbb bbch bbfc bblb bbrc bcaa bcar bcbc bcca bccc bccl bcfc bcra bcru bcuc bfca bffl bhar bhca bhcc bhff bhra bhur bhuu blaa blab blac blah blau blcu blfc blrc blub bluf blur brab brac braf brah brau brca brcb brfc brfu brrr bruc bruh bual buar buba bubb bubu buca bucc buch bucu bufc buff bufr buha buhl buhr bula bulb bull bulu bur- bura burb burh burl burr buru caaa caab caac caaf caah caal caba cabf cabu cac- caca cacc cach cacr cafa cafb cafc caff cafl cafu caha cahl cala calc calf call calu cara carb carc carf carl carr cauc cauf caul cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbfb cbfc cbha cbhl cblb cblc cbrh cbrl ccaa ccab ccac ccaf ccar ccba ccbc ccca cccb cccc cccf cccl cccu ccfa ccfc ccff ccfl ccha cchl cchr ccla cclc ccra ccrc ccrf ccrl ccuc cfaa cfab cfac cfar cfbc cfbr cfca cfcb cfcf cfcl cffb cffr cfra cfrb chaa chab chac chaf chah chal char chau chca chch chfa chfc chfr chha chlc chlr chra chrb chrc chrf chrr chua chub chul chur clab claf clar clau clra club cluh crab crac craf crar crau crbc crbu crca crcc crcr crfc crfl crlf crub cuau cub- cuba cubb cuca cucc cufa cufc cuff cula culb culc cull cura curb curf curl curr faaa faac faah faba fabu faca facc fach fafa fafc faff faha fahr fala falc fall falu fara farb farc farl farr faru faul faur fbar fbla fcab fcal fcar fcba fcca fccf fcch fcra ffar ffcc ffff ffrr fhlb flab flac flcl flub fluf flur frab frac frau frbc frcc frfc frla frub fuar fubb fubu fuc- fuca fufc fuff fufu fula full fulu fur- fura furl furr haab haaf haal haar haba habu hafb haff haha hal- hala halb half hall halu hara harc harf harh harl harr haru hau- hauf haul hbar hbfc hcbc hcca hccb hccc hcch hcfa hcfc hfba hhaa hhcl hhhh hhla hlah hlul hrac hrbl hrfc hrrc huac huah huba hubb hubl huch hucu hufc huff hufu huhu hula hulc hull hulu hura hurl hurr huru huub laaa laac laal laar laba labr labu laca lacc lach lacl lacu lafb lafc laff laha lahr lahu lala lall lalu lara larb larc larf larr laru laub lauf laul laur lbar lbcc lblr lcac lcbc lcca lccc lcfc lcfr lchc lchr lcra lcrl lfca lfcc lhau lhhh llcc lllc llll lrac lral lrba lrfc lrrc lrrr luah luau luba luca luch luff lufu luhu lula lull lulu lura luua raab raaf raba rabb rabl rabu rac- raca racc rach racu rafa rafc raff raha rahl rahr rahu rala ralb ralf rall rara rarb rarf raua raub rauc rauf raul rbaf rbbb rbbr rbcl rcac rcaf rcbc rccb rccc rcfc rchb rffc rffl rhau rlab rlua rrah rrfc rrrr ruah ruba rubb rubu ruca ruch rufa rufc ruff ruhh ruhl ruhr rula rull rura rurc ruru uabc uaca uafa uarc uaru uaua ubac ubal ubar ubba ubla ubra ucal ucar ucbc ucca ucfa ucfb ucha ucla ucrc ucua ufcu uffa ufra uhcl uhuh ulaa ular ulbc ulcc ulch ulla ullr ulua ulul urac ural urau urba urca urch urfa urff urla urra urrh urur uulu uuuu