ppli pplo ppod pppd pppo pppp ppru ppur pre- pred pree prel prep preu prhl pri- prid prie prii prle prlr pro- prod proe prol proo prop prou prpd prrd prri prud prue pruu pu-e pudo pudu pued puel pueo puer pueu puhi puhl puid puir puiu pule puli pull pulo pulp pulu pupe pupi pupl pupu pur- pure puri purl puro purp purr puru rder rdio redd rede redh redi redl redo redr redu reed reel reep rehe rehi reid reii reil reir reiu reld rele rell relo relp reod reol reop reou repe repi repl repo repp repr repu rerd rere reri rero reru reue reul reup reuu rhee rheo rhio rhli rhod rhoh rhue ridd ride ridi rido ried riel riep rier rieu riho rile rill rilo rilp rilu riol riou ripd ripe ripi ripl ripp ripr rire riri riue rlee rleu rodd rode rodi rodo roed roel roer rohe rohl rohr rohu roid roil roio roir roiu rold role roll rolo rolp rood rooi rool roop roor rope ropo rore rori roro roru roud roue rouh roul roup rpdp rpho rpii rpoe rred rrle rrrr rudd rude rudi rudl rudo rudp rued ruel ruer ruhe ruhh ruhi ruhl ruhr ruid rule rull rulo rupe rupp rurd rure ruri ruro rurp ruru ruud u-ie u-rp uddi udel uder udid udir udoh udoo udop udpd ueir uele ueli uell uepi uh-d uhde uher uhid uhle uhoh uhuh uhup uile uipi uirr ulde ulee uleo ulie ulle ulli ullo ullr ulo- ulul uor- uore updo uped upie uplo upor uppe uppp uppu upri upup urde urdu ure- ured ureh urho urie uriu urle uro- urol uroo urpo urre urrh urri urup urur uulu uuri uuuu