a-fu aaaa aaac aaad aaaf aaal aaar aaca aacc aacd aacf aacl aacr aacu aada aadc aadu aafa aafc aafd aaff aafl aala aalc aald aall aalu aara aarc aard aaru acaa acac acad acar acca accc accd accf accu acda acdc acdf acfc acfd acfl acla aclc aclr aclu acr- acra acrc acrr acu- acuf acul acur adaa adac adad adal adar adcc adda addc addd addl addr addu adfa adfc adfl adra adua adur afaa afad afar afca afcc afcu afdc afdl affa affc afla aflc afr- afra afrc afru afua afud alaa alac alad alal alar alau alca alcc ald- alda aldl alfa all- alla alll allr allu alua aluf alur arac arad araf aral arar arau arc- arca arda ardc ardf ardl ardu arfa arfc arff arfu arla arr- arra arrc arrr arru arua arud arul auaa auca audc aufc aul- aula auld aulf aull aulu aur- aura aurd c-cd caaa caac caaf caal cac- caca cacc cacr cada cadc cadd cadr cadu cafa cafc caff cafl cafu cala calc cald calf call calu cara carc card carf carl carr cauc cauf caul ccaa ccac ccad ccaf ccar ccca cccc cccf cccl cccu ccdc ccdf ccdr ccfa ccfc ccfd ccff ccfl ccla cclc ccra ccrc ccrf ccrl ccuc cd-r cdaa cdac cdad cdda cddl cddr cdfa cfaa cfac cfar cfca cfcf cfcl cfda cffr cfra clad claf clar clau clcd cldc cldr clra clrd clud crac craf crar crau crca crcc crcr crda crdc crfc crfl crlf crud cuau cuca cucc cuda cufa cufc cuff cula culc culd cull cura curd curf curl curr daad daal daar daau daca dada dadu dafa dafc daff dala dalf dall dalu dara darc dard darf darl darr daru daud daur dcca dccc dccl dccu dcfc dcra dddd ddlc ddrc dfaf dfcc dfcu dffa dfrf draa drac drad draf drar drau drca drda drfc drra drua druu duaa duad dual duar duca duda dudd dudu dufc duff dufu dula dulc dull dulu dura duru duul duur faaa faac faad faca facc fada fadd fafa fafc faff fala falc fald fall falu fara farc fard farl farr faru faud faul faur fcal fcar fcca fccf fcda fcra fdca fdlr ffar ffcc ffff ffrr flac flad flcl fldr flud fluf flur frac frad frau frcc frfc frla fuad fuar fuc- fuca fuda fudd fufc fuff fufu fula full fulu fur- fura furl furr laaa laac laad laal laar laca lacc lacl lacu lada ladd ladu lafc laff lala lald lall lalu lara larc lard larf larr laru laud lauf laul laur lcac lcad lcca lccc lcdd lcdr lcfc lcfr lcra lcrd lcrl ldcf lfca lfcc lfrd llcc lldc lllc llll llud lrac lral lrdd lrfc lrrc lrrr luau luca luda ludd luff lufu lula lull lulu lura lurd luua raad raaf rac- raca racc racu rada radc radd radl radr radu rafa rafc raff rala ralf rall rara rarf raua rauc raud rauf raul rcac rcaf rccc rcdc rcfc rcrd rdac rdfa rffc rffl rlua rrad rrfc rrrr ruad ruca ruda rudd rudl rufa rufc ruff rula rull rura rurc rurd ruru ruud uaca uafa uald uarc uaru uaua ucad ucal ucar ucca ucdc ucdd ucfa ucla ucrc ucua udaa udad udal udar udau udca udra ufcu uffa ufra ulaa ulad ular ulcc ulla ullr ulua ulul urac urad ural urau urca urda urdu urfa urff urla urra urur uulu uuuu