c-trie ceecee ceitec cercie cerete cerice cerici cerite certie cicree ciftci cirice cirici cirri- citect citice citri- citric creete crefti cretic crieff critic ecrier ecrire eerect eerier efecte effect effeir effere effete efreet efter- eifert er-rif ericii errett etcetc feerie feifer feirie ferfer ferier ferrer ferret ferri- ferric ferrie fertee ferter fetter fiefie fierce fierte fiftie firret fitter fittie fittit frefre freire frette fterer fterie fterre i-crei i-free i-tree icter- iffier ifreet iritic irrite ittiri r-tree receit recice reciet recife recite recti- reefer reeffe refect refeet refeff refert refete refire refrei refret refter reiter retece reteer reteet retere retief retire retree retret retter ricet ricice rieter riette rietti riffer rififi rifter rititi ritter t-tree tecici teetee teeter teirce teirei tercer tercet terete terrer terret terric terrie terrif territ terter tertre tetete tetric tetter ticcer ticcit ticici tiefer tierce tierer tieret tiete tietie tiff-f tirret tirrit titfer titiri tittee titter tittie tr-rec treece treete trefet trefte treife tretee tretie trette trifet tritec triter trtice