eeee eele eiei eier eile eipr eire el-p elee eler elie elil elle elli ellu elpe elpi elue elui elul epee eper epi- epie epil epip eple epll eppp eprp erei erel erer erie eril eriu erle erli erll erpe erre erur euer eule eur- eure ieie iele iere ieri iiie iiii ile- iler ilie ilir ill- ille illi illp ilpe ilpr ilre iper ipie ipil ippr ipri ipur iree irel irer iri- irie iril irip irpe irre irri irul iuel iuiu iupp le-u leel leep leer leie leil leir lele leli lell lelu lepe lepi lepp lere lerp leur liel liep lier lieu liii liir lile lili lill lilu lip- lipe lipi lipl lipp lipu lire liri lirl lirp lirr liru liue lleu llll lppl lprp lrpu lrrr luer lule luli lull lulu lupe lupi lupu lure luri luup peel peep peer peil peip peir pel- pele pell pelu pepe pepi per- pere peri perl perp perr peru peul peur piel piep pier piip pil- pile pili pill pilu pipe pipi pipp pire piri pirl pirr piru ple- plee plei pleu plie plip plpp plri plue plup plur pper ppie pple ppli pppp ppru ppur pre- pree prel prep preu pri- prie prii prle prlr prri prue pruu pu-e puel puer pueu puir puiu pule puli pull pulp pulu pupe pupi pupl pupu pur- pure puri purl purp purr puru reel reep reii reil reir reiu rele rell relp repe repi repl repp repr repu rere reri reru reue reul reup reuu riel riep rier rieu rile rill rilp rilu ripe ripi ripl ripp ripr rire riri riue rlee rleu rpii rrle rrrr ruel ruer rule rull rupe rupp rure ruri rurp ruru u-ie u-rp ueir uele ueli uell uepi uile uipi uirr ulee ulie ulle ulli ullr ulul upie uppe uppp uppu upri upup ure- urie uriu urle urre urri urup urur uulu uuri uuuu