a-ha aaaa aaab aaac aaad aaah aaal aaar aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aacl aacr aacu aada aadc aadu aaha aahl aala aalc aald aall aalu aara aarc aard aaru abaa abab abac abad abal abar abau abb- abba abbb abbr abca abcb abcc abcd abch abcl abcr abda abdu abha abhr abla abra abrc abua abud abul acaa acab acac acad acar acba acbl acca accc accd acch accu acda acdb acdc acha achh achl achr achu acla aclc aclr aclu acr- acra acrc acrr acu- acul acur adaa adab adac adad adah adal adar adba adbc adcc adda addc addd addl addr addu adha adhd adhu adra adua adub adur ahab ahac ahad ahah ahal ahar ahau ahdl ahha ahla ahlu ahra ahrc ahrr ahua alaa alac alad alal alar alau alb- alba albc albu alca alcc ald- alda aldl alha all- alla allh alll allr allu alua alur arab arac arad arah aral arar arau arba arbh arc- arca arch arda ardc ardl ardu arh- arla arr- arra arrc arrh arrr arru arua arub arud arul auaa auca auch audc audh aul- aula auld aull aulu aur- aura aurd baaa baad baah baal baar baba babb babr babu bac- baca bacc bach bada badb badd badh badr badu baha bahl bahr bahu bala balc bald ball balu bar- bara barb barc bard barh barr baru bau- baud baul baur bbad bbau bbbb bbch bbdd bblb bbrc bcaa bcar bcbc bcca bccc bccl bcda bchd bcra bcru bcuc bd-r bdbc bddc bddh bhar bhca bhcc bhdl bhra bhur bhuu blaa blab blac blad blah blau blcu bldc bldr blrc blub blud blur brab brac brad brah brau brca brcb brda brrr bruc brud bruh buad bual buar buba bubb bubu buca bucc buch bucu buda budb budd budl budu buha buhl buhr bula bulb buld bull bulu bur- bura burb burd burh burl burr buru c-cd caaa caab caac caah caal caba cabu cac- caca cacc cach cacr cada cadc cadd cadr cadu caha cahl cala calc cald call calu cara carb carc card carl carr cauc caul cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbcu cbdb cbdc cbha cbhl cblb cblc cbrd cbrh cbrl ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc cccl cccu ccdc ccdh ccdr ccha cchl cchr ccla cclc ccra ccrc ccrl ccuc cd-r cdaa cdac cdad cdba cdda cddb cddl cddr chaa chab chac chad chah chal char chau chca chch chha chlc chlr chra chrb chrc chrd chrr chua chub chud chul chur clab clad clar clau clcd cldc cldr clra clrd club clud cluh crab crac crar crau crbc crbu crca crcc crcr crda crdc crub crud cuau cub- cuba cubb cuca cucc cuda cula culb culc culd cull cura curb curd curl curr daab daad daal daar daau daba dabb dabu daca dada dadu daha dahl dahu dala dall dalu dara darb darc dard darl darr daru daub daud daur dbar dbcc dcbc dcca dccb dccc dccl dccu dcdb dcra dddd ddlc ddrc ddub dhaa dhad dhal dhar dhau dhul dhur dlab dlbd dlha draa drab drac drad drar drau drba drbc drca drda drra drua drub druu duaa duab duad duah dual duar dub- duba dubb dubc dubh dubu duca duch duda dudd dudu duha duhl duhr duhu dula dulc dull dulu dura duru duul duur haab haad haal haar haba habu hada hadh hadl hadu haha hal- hala halb hald hall halu hara harc hard harh harl harr haru hau- haud haul hbar hbcd hcbc hcca hccb hccc hcch hcdr hcrd hdca hdda hdra hhaa hhcl hhhh hhla hlah hlul hrac hrad hrbl hrdc hrrc hrud huac huah huba hubb hubl huch hucu huda hudd hudl hudu huhu hula hulc huld hull hulu hura hurd hurl hurr huru huub laaa laac laad laal laar laba labr labu laca lacc lach lacl lacu lada ladd ladu laha lahr lahu lala lald lall lalu lara larb larc lard larr laru laub laud laul laur lbar lbcc lblr lcac lcad lcbc lcca lccc lcdd lcdr lchc lchr lcra lcrd lcrl ldha lhau lhhh llcc lldb lldc lllc llll llud lrac lral lrba lrdd lrrc lrrr luah luau luba luca luch luda ludd luhu lula lull lulu lura lurd luua raab raad raba rabb rabl rabu rac- raca racc rach racu rada radc radd radh radl radr radu raha rahl rahr rahu rala ralb rall rara rarb raua raub rauc raud raul rbbb rbbr rbcl rcac rcbc rccb rccc rcdc rchb rcrd rdac rhau rlab rlua rrad rrah rrrr ruad ruah ruba rubb rubu ruca ruch ruda rudd rudl ruhh ruhl ruhr rula rull rura rurc rurd ruru ruud uabc uaca uald uarc uaru uaua ubac ubal ubar ubba ubla ubra ubud ucad ucal ucar ucbc ucca ucdc ucdd ucha ucla ucrc ucua udaa udad udal udar udau udbc udca udra uh-d uhcl uhuh ulaa ulad ular ulbc ulcc ulch ulla ullr ulua ulul urac urad ural urau urba urca urch urda urdu urla urra urrh urur uulu uuuu