eeee eerg eete egee eger egge eggp egpe egre egte epee eper eppp eprp epte erer eret erg- ergg erpe erre etee eter etre ette geep geer geet gege gegg gepe gere gert gete getg gett gggg gper gpgp gprp gree greg grep gret grrr peep peer peet pegg pepe per- pere perg perp perr pert pete petr pett pger pper pppp pptt pre- pree preg prep pret prtp prtr pter reep reet rege regr regt repe repp repr rept rere rerg rert rete retr rett rgtr rpet rrrr rtee rttp teer teet tegg tegt tepe tepp ter- tere terp terr tete tetr tett tpeg tper tppp tppr tpte tptp tptr tre- tree treg tret trge trpe trpg trpp trte trtr tter tttt