eeeee eepee eerie efere eferi effer effie efrei efuru eipri eirie eppie epure erere erier eriff erixx eurex eurre exper feere feier ferie ferr- ferre ferri feuer fexpr ffxii fieee fieri fieux fifer fifie firee firei firer firie firre fixer fixie fixup freei freep freer freex freir frere freur frier fripp frixe fruux fu-fu furie furir ieiri iepe ieper ierei if-- ifere iiiee iiiii iperf iperu ippee ippei iprex irpex irrep irupi iurie p-rep peere peeri peire peixe pepee peppe peppi pepup perer peri- perie perre perri perur peure pexip piere pieri pieup piiri piper pipex pippi pipri pirex pirie pirix pirre pirri pirui piuri piuru pixie pixiu ppxii preef preff preie preif preux prief prier prife pueri puppe pupri puree purer purex purie purre puuri re-up reefe reepe reere refer reffe refix reiff reppe rere- reree rerip rerir reuer reuir rexer ri-fi riefe rieux rifer riife riper rippe ripup ririe rirpu riuer rperf rripe ruere ruffe rufi- rufie ruiru rupee ruper rupie ufere uffie upier upper uppie urupe ururi uuuuu xerif xexeu xexex xfire xxiii xxxii xxxix