dddd ddps ddry ddss didi dids didu didy diii diis dipp dips dipu dird dirr dirs dis- disd disi disp diss disy dius diyi diyu dpsd dpsu dpyd dpys drip drrs drsp drui drup drus druu dry- drys dsdp dsdr dsip dsps dsri dsrp dsrr dssi dssp dudd duds dudu duid duir duis duri duru dury dusi dusy duur duyr dydd dyr- dyri dyru dys- dysi dysp dysr dyss dyur dyyr idid idir idis idps idss idus iiii iiis iirs iisd iisi iisp iisr iisu ipdi ipid ippr ippy ipri ipsi ipsp ipss ipur ipus irdp irds iri- irid irip iris iriy irps irri irrs irsp irus isds isis ispr isps ispy isri isrp issi issp issr isss issu issy isup isus isys iuds iuiu iupp iusd iuss pdpr pdrs pdsd pdss pids piip pipi pipp pips pipy piri pirr pirs piru piry pisd pisi piss pisu pisy pius piys ppds ppid pppd pppp ppps ppru ppss ppur pri- prid prii pris prpd prps prrd prri prrs prsd prsi prss prud prus pruu prys psdi psdp psdr psds psid psip psis pspi pspp pspr psps psrd psrp psy- psys puds pudu puid puir puis puiu pupi pups pupu pupy pur- puri purp purr purs puru pury pusd pusi puss puy- puyi puys pypy pyr- pyri pyry pyss ridd ridi rids riis ripd ripi ripp ripr rips riri rirs risd risi risp riss risu rius rpdp rpii rpps rrrr rrsp rsdd rsds rsid rsis rsps rudd rudi rudp ruds rudy ruid ruis rupp rupy rurd ruri rurp rurs ruru rusi russ rusu rusy ruud ruyd ruyi ruys rydy ryip ryis rysy s-ii sdds sdpr sdps sdrs sdry sdss sdsu sidd sidi sidr sids sidy sipi sipp sips sipy siri sirp sirr sirs siru sisd sisi siss sisu sisy siui sius siyi siyu spdp spdr spdy spip spir spis sppd spps sprd spri sprs spry spsd spsp spss spud spui spur spus spy- spyr spys sris srps srsd srsp ssdd ssdp ssid ssis ssps ssri ssrs sssi ssss sudd sudi suds suid suir suis sup- supp supr sups supy sur- surd suri surp surr surs suru sury sus- susd susi susp suss susu susy suus suyi suyr suyu sydi syds syis syrs syry syss u-rp uddi udds udid udir udpd udsd uipi uirr uisd upis uppp uppu uppy upri upsi upsy upup urds urdu urdy uris uriu urri urry ursi urss ursu ursy urup urur urus usdp usds usip usis uspp usps ussr usss ussu ussy usui usus uuri uusi uuuu uyir yidi yids yidu yips yird yirr yiss yiud ypir ypsi ysii yspi yssu yudu yupi yups yurd yuri yury yuyu yyyy