eeee eees eers eese er-x erer eres erev erre errs erse erve esee eser eses esse ever eves evex evre evrs exer exes exrx rees reev rere rers rese ress reve revs rexx rrrr rsee rsre rver rxes se-e se-s se-x seer sees seex sere serr sers serv sese sess seve sex- sexe sres ssee sses ssex ssrs ssss veer vees ver- vere vers vese vess veve vexx vrse vsee vses vsse vver vvvv xeer xer- xers xexe xrvs xxxv xxxx