eeeee eerie efere eferi effer effie efrei eirie erere erewe erier eriff errew feere feier ferie ferr- ferre ferri fewer fieee fieri fifer fifie firee firei firer firie firre freei freer freir frere frier ieiri ierei if-- ifere iiiee iiiii irewe iwere reefe reere reewe refer reffe reiff rere- reree rerir rewer ri-fi riefe rifer riife ririe weere weffe wefie weier weife weiff weire were- werei werew werie werre wi-fi wi-wi wieff wiffe wifie wirer wirie wirwe wrier ww-ii wwiii wwwww