bbbee be-er beber beebe beeri beez beffe befie beibi beier beife beire beizi berbe berei berie beriz berre berri berze bezer bibbe biber bibie bibri biebe biefe biere bieri bifer biffi birie bizzi breef breer breiz brere breze brezi bribe brief brier brize brizz brrrr ebber ebbie ebibe eeeee eerie efere eferi effer effie efrei eirie eizie erbbe erber erere erier eriff febre feere feeze feier feize feizi ferie feriz ferr- ferre ferri fezzi fiber fibr- fibre fieee fieri fifer fifie firee firei firer firie firre firze freei freer freir frere frier frize frizz fzbrf ieiri ierei iezer if-- ifere iiiee iiiii izier rebbe reber reefe reere reeze refer reffe reiff rere- reree rerez rerir ri-fi ribbi riber ribie riefe rifer riife ririe rizzi zebi- zebre zefir zerbe zerre zibib ziezi zifer zizzi zzzzz