bbbee be-er beber beebe beeri beeve beffe befie beibi beier beife beire berbe berei berie berre berri bever bfive bibbe biber bibie bibri biebe biefe biere bieri bifer biffi birie breef breer brere breve brevi bribe brief brier brive brrrr ebber ebbie ebibe eeeee eerie eevee eever efere eferi effer effie efrei eirie erbbe erber erere ereve erier eriff ervie evere everi everr eveve febre feere feier ferie ferr- ferre ferri fever fevre fiber fibr- fibre fieee fieri fifer fifie firee firei firer firie firre fiver freei freer freir frere frier ieiri ierei iever if-- ifere ifive iiiee iiiii ivver rebbe reber reefe reere reeve refer reffe reiff reive rere- reree rerir rever revie revir ri-fi ribbi riber ribie riefe rieve rifer riife ririe river rvivr v-fib veber vebre veere veeri veeve veire veive verbi vereb verie verre verri verve vever viber vieri viiri virei virii virre virve viver vivi- vivir vivre