eeee eerg egee eger egge eggi eggp egir egpe egpi egre egri eiei eier eige eigg eipr eire epee eper epi- epie epip eppp eprp erei erer erg- ergg ergi erie eriu erpe erre erur euer euge eur- eure geep geer gege gegg geie geig geir gepe gere geri geru geue geup gggg gier gige gigg gigi gipe gipi gipp gire girg giri girr giru giue giur gper gpgp gpip gprp gree greg grep greu grie grig grip grrr grue grug grui grur guep guer guge gugg gugi gugu gure gurg guri gurr guru ieie iere ieri iger igri igue iiie iiii iper ipie ippr ipri ipur iree irer iri- irie irig irip irpe irre irri iuge iuiu iupp peep peer pegg pegu peip peir pepe pepi per- pere perg peri perp perr peru peur pger pgpu pgup piep pier pigg pigp pigu piip pipe pipi pipp pire pirg piri pirr piru pper ppgi ppie ppig pppp ppru ppur pre- pree preg prep preu pri- prie prig prii prri prue pruu pu-e puer pueu pugu puig puir puiu pupe pupi pupu pur- pure purg puri purp purr puru reep rege regi regr regu reii reir reiu repe repi repp repr repu rere rerg reri reru reue reup reuu riep rier rieu rige rigg rigi rigu ripe ripi ripp ripr rire riri riue rpii rrrr ruer ruge rugg rugi rupe rupp rure ruri rurp ruru u-ie u-rp ueir uepi ugep ugri ugur uguu uige uipi uirr upie uppe uppp uppu upri upup ure- urge urgi urgu urie uriu urre urri urup urur uuri uuuu