eeee eerg egee eger egge eggi eggp egir egpe egpi egre egri eiei eier eige eigg eipr eire epee eper epi- epie epip epix eppp eprp epxp er-x erei erer erg- ergg ergi erie eriu erpe erre erur euer euge eur- eure exer exge exgi expr exrx 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 gpxe gree greg grep greu grex 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 ipex ipie ipix ippr ipri ipur ipxe iree irer irex iri- irie irig irip irix irpe irre irri iuge iuiu iupp ixxi 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 pixx pper ppgi ppie ppig pppp ppru ppur pre- pree preg prep preu prex pri- prie prig prii prix prri prue pruu pu-e puer pueu pugu puig puir puiu pupe pupi pupu pur- pure purg puri purp purr puru puxe puxi reep rege regi regr regu reii reir reiu repe repi repp repr repu rere rerg reri reru reue reup reuu reux rexx riep rier rieu riex rige rigg rigi rigu ripe ripi ripp ripr rire riri riue rixe rpii rpix 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- urex urge urgi urgu urie uriu urix urre urri urup urur uuri uuuu uxue xeer xer- xexe xggi xiii xipe xipu xixi xper xrep xuri xuxu xxii xxix xxxi xxxx