a-ak aaaa aaad aaae aaaf aaar aada aade aaea aafa aafd aaff aaka aake aara aard aare adaa adad adae adak adar adda addd adde addr adea adee ader adfa adra adre aeaf aede aeer aeka aer- aera aerd afaa afad afak afar afee afek afer affa afka afkr afr- afra afre akaa akae akar aked akee aker akka akr- akra akre arad arae araf arak arar arda arde ardf area ared aree aref arek arfa arff arka arke arr- arra arre arrk arrr daad daae daar dada dade daer dafa dafe daff daka dake dara dard dare darf dark darr dddd ddre dead deae deaf deak dear deda dedd dede deed deef deek deer defe deff dek- deka deke der- dera dere derf derk derr dfaf dfer dffa dfrf draa drad draf drak drar drda drea dred dree dref drek drra eaaf eada eadd eara eard eare edad edar edda edde ede- edea eder edfa edra eede eeea eeee eefa eefe eeka eeke eera efda effa efke eka- eked ekek eker ekka erad eraf erda erde erdf ered erer erke erra erre f--k faaa faad fada fadd fade fafa fafe faff fake fara fard fare fark farr fead feaf feak fear feda fede feed feek feer fefe feff feke fera ferd fere ferk ferr ffar ffee ffff ffrr frad frae frak frea fred free kaaa kaaf kaak kaar kad- kada kadd kade kadf kadr kaer kafa kafe kaff kafr kaka kake kakk kara kard kare karf kark karr kdaa kdad kdae kdaf kdak kdar kddd kddf kddk kddr kdef kdfr kdka kdkd kdkk kdkr kdrf kea- kead keak kear keda kedd kede kedr keed keef keek keer kefa keff kefr keka keke ker- kera kere kerf kerk kerr kfar kfda kfed kfer kffa kfff kffk kfka kfra kfrd kfre kfrr kkaa kkar kkda kkdd kkea kked kkfr kkkk kkre kkrf kkrk kkrr krad krae krak krar krda krdd krde krdr krea kred kree kref krek krfd krfe krff krka krkd krke krkk krkr krre krrf krrk krrr raad raaf raak rada radd rade radr raed raef raer rafa rafe raff raka rake rakk rara rare rarf rark rder rdfa rea- read reae reaf reak rear reda redd rede redr reed reef reek refd refe reff refr reka reke rera rerd rere rfae rfef rkkf rrad rred rrrr