eeeee eepee efere effer efrem efuru emeer emere emmer empee emure epure erem- erere erump eum-u eurre feeme feere femme femur ferme ferr- ferre feuer freep freer freme fremm frere freur frume frump fu-fu fumee fumer furme meefe meemu meere memer merer merre merur meuer meure mmmmm mreru muffe mumme mummu mumpf muppu mureu murre murru murum murup p-fem p-rep peere pepee peppe pepup perer perre perur peure preef preem preff preme premp pumpe puppe puree purer purre purum re-up reefe reeme reepe reere refer reffe refme remee remer remue remuf reppe rere- reree rerum reuer reume rperf ruere ruffe rumer rummu rumpf rupee ruper ufere umeer umeme upper ureme urupe uuuuu