a-ha aaaa aaab aaac aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aach aacl aacr aacu aaha aahl aala aalc aall aalu aara aarc aaru abaa abab abac abal abar abau abb- abba abbb abbr abca abcb abcc abch abcl abcr abha abhr abla abra abrc abua abul acaa acab acac acar acba acbl acca accc acch accu acha achh achl achr achu acla aclc aclr aclu acr- acra acrc acrr acu- acul acur ahab ahac ahah ahal ahar ahau ahha ahla ahlu ahra ahrc ahrr ahua alaa alac alal alar alau alb- alba albc albu alca alcc alha all- alla allh alll allr allu alua alur arab arac arah aral arar arau arba arbh arc- arca arch arh- arla arr- arra arrc arrh arrr arru arua arub arul auaa auca auch aul- aula aull aulu aur- aura baaa baah baal baar baba babb babr babu bac- baca bacc bach baha bahl bahr bahu bala balc ball balu bar- bara barb barc barh barr baru bau- baul baur bbau bbbb bbch bblb bbrc bcaa bcar bcbc bcca bccc bccl bcra bcru bcuc bhar bhca bhcc bhra bhur bhuu blaa blab blac blah blau blcu blrc blub blur brab brac brah brau brca brcb brrr bruc bruh bual buar buba bubb bubu buca bucc buch bucu buha buhl buhr bula bulb bull bulu bur- bura burb burh burl burr buru caaa caab caac caah caal caba cabu cac- caca cacc cach cacr caha cahl cala calc call calu cara carb carc carl carr cauc caul cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbha cbhl cblb cblc cbrh cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl cccu ccha cchl cchr ccla cclc ccra ccrc ccrl ccuc chaa chab chac chah chal char chau chca chch chha chlc chlr chra chrb chrc chrr chua chub chul chur clab clar clau clra club cluh crab crac crar crau crbc crbu crca crcc crcr crub cuau cub- cuba cubb cuca cucc cula culb culc cull cura curb curl curr haab haal haar haba habu haha hal- hala halb hall halu hara harc harh harl harr haru hau- haul hbar hcbc hcca hccb hccc hcch hhaa hhcl hhhh hhla hlah hlul hrac hrbl hrrc huac huah huba hubb hubl huch hucu huhu hula hulc hull hulu hura hurl hurr huru huub laaa laac laal laar laba labr labu laca lacc lach lacl lacu laha lahr lahu lala lall lalu lara larb larc larr laru laub laul laur lbar lbcc lblr lcac lcbc lcca lccc lchc lchr lcra lcrl lhau lhhh llcc lllc llll lrac lral lrba lrrc lrrr luah luau luba luca luch luhu lula lull lulu lura luua raab raba rabb rabl rabu rac- raca racc rach racu raha rahl rahr rahu rala ralb rall rara rarb raua raub rauc raul rbbb rbbr rbcl rcac rcbc rccb rccc rchb rhau rlab rlua rrah rrrr ruah ruba rubb rubu ruca ruch ruhh ruhl ruhr rula rull rura rurc ruru uabc uaca uarc uaru uaua ubac ubal ubar ubba ubla ubra ucal ucar ucbc ucca ucha ucla ucrc ucua uhcl uhuh ulaa ular ulbc ulcc ulch ulla ullr ulua ulul urac ural urau urba urca urch urla urra urrh urur uulu uuuu