eeee eery epee eper eppp eppy eprp erer erpe erre erur erye euer eur- eure eury eyer eyey eype eyre eyry eyup eyyr peep peer pepe per- pere perp perr peru pery peur peyr pper pppp ppru ppur ppye pre- pree prep preu prey prue pruu pu-e puer pueu pupe pupu pupy pur- pure purp purr puru pury puy- pyep pype pypy pyr- pyre pyry reep repe repp repr repu repy rere reru rery reue reup reuu reye rrrr ruer rupe rupp rupy rure rurp ruru rype ryue u-rp uppe uppp uppu uppy upup ure- urey urre urry urup urur uuuu uyre ye-u yeep yeer yepe yepp yere yerr yery yeue yeye yeyr yuer yure yury yuye yuyu yyyy