a-ha aaaa aaac aaae aaah aaar aaca aacc aace aach aacr aaea aaec aaha aara aarc aare acaa acac acae acar acca accc acce acch ace- acea acec aceh acer acha ache achh achr acr- acra acrc acre acrr aeac aeer aer- aera aerc ahac ahah ahaq ahar ahha ahra ahrc ahre ahrq ahrr aqar aqra arac arae arah araq arar arc- arca arce arch area arec aree areh arh- arq- arqa arr- arra arrc arre arrh arrr caaa caac caah cac- caca cacc cace cach cacr caec caer caha cahe caqh cara carc care carr ccaa ccac ccar ccca cccc ccee ccha cche cchr ccra ccrc ccre ceac cear cec- ceca cece ceec ceqa cer- cera cerc cere chaa chac chae chah char chca chce chch chea chec chee cheh cher chha chqr chra chrc chrr crac crar crca crcc crce crcr cre- crea crec cree creh eaca eacc each eaec eara eare earh ecaa ecac ecar ecca eccc ecce echa eche ecra ecrc ecrr eeca eeea eeee eera eerc ehaa ehcc ehea eheh eher ehre eqah erca ercc erce erch erec erer erhc erra errc erre haar hace haec haha hara harc hare harh harr hcca hccc hcch heah hear heca hech hecq heer hehe hera herc here herr hhaa hhhh hqac hrac hree hrrc qa-c qaha qara qare qcea qeha qere qerq qqqq rac- raca racc race rach racq raec raer raha rahe rahr rara rare rcac rccc rea- reac reae rear reca recc rece rech recr reha rehe reqa rera rere rhae rhce rhea rhee rrah rrrr