a-ha aaaa aaac aaae aaah aaar aaca aacc aace aach aaco aacr aaea aaec aaha aaoe aaoo aara aarc aare aaro acaa acac acae acar acca accc acce acch acco ace- acea acec aceh acer acha ache achh acho achr acoa acoe acoh acor acr- acra acrc acre acro acrr aeac aeer aer- aera aerc aero ahac ahah ahar ahha ahoa ahoe ahor ahra ahrc ahre ahrr aoah aoca aoce aora arac arae arah arar arc- arca arce arch arco area arec aree areh areo arh- aroa aroe aroo aror arr- arra arrc arre arrh arro arrr caaa caac caah cac- caca cacc cace cach caco cacr caec caer caha cahe caor cara carc care caro carr ccaa ccac ccar ccca cccc ccee ccha cche cchr ccoc ccra ccrc ccre ceac cear cec- ceca cece ceco ceec ceor cer- cera cerc cere cero chaa chac chae chah chao char chca chce chch chea chec chee cheh cher chha choc choh choo chor chra chrc chro chrr coca coce coch coco coha coho cooh cor- cora corc core coro corr crac crar crca crcc crce crcr cre- crea crec cree creh creo croc croe croh croo cror eaca eacc each eaec eara eare earh earo ecaa ecac ecao ecar ecca eccc ecce ecco echa eche echo eco- ecra ecrc ecrr eeca eeea eeee eeoc eera eerc eero ehaa ehcc ehea eheh eher ehre eora eore erca ercc erce erch erec erer erhc eroc eroe eroo erra errc erre erro haar hace haco haec haha haho haor hara harc hare harh haro harr hcca hccc hcch heah hear heca hech heer hehe heho heor hera herc here hero herr hhaa hhhh hoac hoar hoca hoce hoch hocr hoer hoha hohe hoho hooe hoor hora horc hore horo horr hrac hree hrrc o-eo oaer oahe oara oare ocac occa occc oce ocee ocha oche ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ohcc ohee oher ohho ohoh ohra ohre ooaa oocr ooer ooha ooho oooh oooo oora oore orac orae orah orao orar orca orce orch orco ore- orea orec oreh oreo orer orhe oro- oroe oror orra orro rac- raca racc race rach raco raec raer raha rahe rahr raoc raoh rara rare raro rcac rccc rea- reac reae reao rear reca recc rece rech recr reha rehe rera rere rero rhae rhce rhea rhee rheo rhoa rhoc rhoh roar roca rocc roce roch roco roea roer roha rohe rohr roor rora rorc rore roro rrah rrrr