a-do a-fu aaaa aaac aaad aaae aaaf aaal aaar aaca aacc aacd aace aacf aacl aaco aacr aacu aada aadc aade aadu aaea aaec aafa aafc aafd aaff aafl aala aalc aald aale aall aalo aalu aaoe aaoo aara aarc aard aare aaro aaru acaa acac acad acae acar acca accc accd acce accf acco accu acda acdc acde acdf ace- acea acec aced acel acer acfc acfd acfe acfl acla aclc acle aclr aclu acoa acod acoe acol acor acou acr- acra acrc acre acro acrr acu- acue acuf acul acuo acur adaa adac adad adae adal adao adar adcc adda addc addd adde addl addo addr addu adea adee adel adeo ader adfa adfc adfl adle adoc adod adoe adoo ador adra adre adro adua adue adur aeac aeaf aecl aede aeer aela aelc aer- aera aerc aerd aero afaa afad afao afar afca afcc afcu afdc afdl afee afel afer affa affc affo afla aflc afle afoa afoe afol afoo afor afr- afra afrc afre afro afru afua afud afue alaa alac alad alae alal alao alar alau alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee alef aleo aler aleu alfa alfe all- alla alle alll allo allr allu aloa aloc alod aloe alof alol aloo alor alou alro alua aluf alur aoca aoce aoeu aola aole aora aouf aoul arac arad arae araf aral arar arau arc- arca arce arco arda ardc arde ardf ardl ardo ardu area arec ared aree aref arel areo areu arfa arfc arff arfu arla arle arlo aroa arod aroe aroo aror arr- arra arrc arre arro arrr arru arua arud arue arul auaa auca auce audc aude audo auel auer aufc aufe aul- aula auld aule aulf aull aulo aulu auol aur- aura aurd aure auro c-cd caaa caac caaf caal cac- caca cacc cace caco cacr cada cadc cadd cade cado cadr cadu caec caer caeu cafa cafc cafe caff cafl cafu cala calc cald cale calf call calo calu caod caol caor cara carc card care carf carl caro carr cauc cauf caul cauo ccaa ccac ccad ccaf ccar ccca cccc cccf cccl cccu ccdc ccdf ccdr cced ccee ccel ccfa ccfc ccfd ccff ccfl ccla cclc ccoc ccod ccra ccrc ccre ccrf ccrl ccuc cd-e cd-r cdaa cdac cdad cdda cddl cddr cdec cdef cder cdfa cdfe cdre ceac cead ceal cear cec- ceca cece ceco ceda cedd cede cedo cedu ceec ceel cef- cefa cefc cel- cela celc cele celf cell celo ceol ceor ceou cer- cera cerc cerd cere cerf cerl cero cfaa cfac cfae cfao cfar cfca cfcf cfcl cfco cfda cffr cfoa cfor cfra cfre clad claf clar clau clcd cldc cldr clea clec cled clee clef cleo cler cleu clod cloe clof cloo clor clou clra clrd clro clud clue coad coal coca coce coco cocu coda codd code codl coed coel cofc cofe coff col- cola cold cole coll colo colu cood coof cool cor- cora corc cord core corf corl coro corr coua coud coue coul cour crac craf crar crau crca crcc crce crcr crda crdc cre- crea crec cred cree creo creu crfc crfl crlf croc crod croe crol croo cror crud crue cuau cuca cucc cuce cuda cude cued cuer cufa cufc cuff cufo cula culc culd cule cull culo cura curd cure curf curl curo curr daad daae daal daar daau daca dace dada dade dado dadu daer daeu dafa dafc dafe daff dafo dala dale dalf dall dalo dalu daou dara darc dard dare darf darl daro darr daru daud daue daur dcca dccc dccl dccu dcfc dcra dddd ddlc ddoc ddrc ddre deac dead deae deaf deal dear deau dec- deca decc decd dece decl deco deda dedd dede dedo dedu deed deef deel deer defe deff defo dela deld dele delf dell delo deol deor der- dera derc dere derf dero derr deua deue deul deur dfaf dfcc dfco dfcu dfer dffa dfoe dfrf dlco doae doal doar doca doce doco docu dod- doda dodd dode dodo doea doel doer doff dola dold dole dolf doll dolo dolu dood doof dool door dora dorc dord dore dorf doro dorr doru douc doud doue douf doul dour draa drac drad draf drar drau drca drda drea dred dree dref drel drfc drod drof drol drou drra drua drue druu duaa duad dual duar duca duce duco duda dudd dude dudo dudu duel duer dufc duff dufu dula dulc dule dull dulo dulu duo- dura dure duro duru duul duur e-cl e-la eaaf eaca eacc eada eadd eaec eala ealc eald eale eara eard eare earl earo ecaa ecac ecad ecal ecao ecar ecca eccc ecce eccl ecco ecdc ecdf ecdl eced ecef ecfa ecfc ecfr ecla eco- ecod ecol ecou ecra ecrc ecrf ecrl ecrr ecru ecua edac edad edar edca edda eddc edde eddo ede- edea edel eder edfa edfl edfu edla edle edoc edod edou edra edru educ edur eeca eede eedu eeea eeee eefa eefe eefl eele eeoc eera eerc eero efca efco efda efeo effa efla efor efua elac elad elal elar elca elce elco elda elde eldr elea elec eled elee elef eleo eler elfa elfc elfe ella elle ello ellu elod elra elro elue elul eocd eode eola eole eolo eora eore eorl erad eraf eral erau erca ercc erce erda erde erdf erec ered erel erer erfc erla erld erle erll eroc erod eroe erol eroo erra errc erre erro erua eruc erur eucd eude euer eufc eula eule eur- eura eurc eure euro faaa faac faad faca facc face fada fadd fade fado fafa fafc fafe faff fafo fala falc fald fale fall falo falu fara farc fard fare farl faro farr faru faud faue faul faur fcal fcar fcca fccf fcda fcra fdca fdlr fdoa fdoc fead feaf feal fear fece feda fede feed feel feer fefc fefe feff fefo fela feld fele felf fell felo feod feof fera ferc