eeee eefe eefl eele eero eeze efeo efor efze elee elef eleo eler elfe elle ello elro elze eole eolo eore eorl erel erer erez erle erll eroe erol eroo erre erro ezel ezer ezzo feel feer fefe feff fefo fele felf fell felo feof fere fero ferr ferz ffee ffff ffrr flee fler floe floo flor floz foer fofo fole foll folo folr foof fool for- fore forl foro forr free freo froe frol leef leel leer lefe leff lele lell lelo leof leor leoz lere lero leze lezo llef llll lloo lofe loff lole loll lolo lolz looe loof lool loor looz lore loro loze lrrr o-eo oele oere ofer off- offe offo offr ofor ofoz ofre ole- olef oleo oler olfe olle ollo olof olor ooer ooff oolo oooo oore ooze ore- orel oreo orer orfe orff orle orlo oro- oroe orof oror oroz orro orzo ozee ozel ozer reef reel refe reff refl refr rele rell relo reof reol rere rero reze rfef rffl rlee rlef roel roer rofe roff rofl rofo role rolf roll rolo roof rool roor rooz rore roro roze rozz rrle rrrr z-ro zeel zeff zele zell zelo zerf zero zeze zoel zoff zole zoll zolo zoo- zool zore zoro zozo zrze zzzz