dddd ddps ddry ddss ddts dpdt dpsd dpst dpsu dpts dpty dpyd dpys drrs drsp drup drus drut druu dry- drys dsdp dsdr dsps dspt dsrp dsrr dssp dsst dsts dtdp dtss dttp dudd duds dudu durt duru dury dust dusy dutp duts duty duur duut duyr dydd dyr- dyrt dyru dys- dysp dysr dyss dyst dyt- dyty dyur dyyr pdpr pdrs pdsd pdss ppds pppd pppp ppps ppru ppss ppts pptt ppur prpd prps prrd prrs prsd prss prtp prtr prud prus prut pruu prys psdp psdr psds pspp pspr psps psrd psrp psst psts pstu psy- psys ptpd ptrd ptsd puds pudu pups pupu pupy pur- purp purr purs puru pury pusd puss pust put- puts putt putu puy- puys puyt pypy pyr- pyry pyss pyst pytt rpdp rpps rptd rpts rrrr rrsp rsdd rsds rsps rstp rsts rstu rtdt rtps rtss rttp rtts rudd rudp ruds rudy rupp rupt rupy rurd rurp rurs ruru russ rust rusu rusy ruts rutt rutu ruty ruud ruyd ruys rydy rysy rytt ryyt sdds sdpr sdps sdrs sdry sdss sdsu spdp spdr spdt spdy sppd spps sprd sprs spry spsd spsp spss spst sptr spts spud spur spus sput spy- spyr spys srps srpt srsd srsp srtp srtr ssdd ssdp ssps sspt ssrs ssss sstd sstp ssts stds stpd stpp stps strd strs stru stry stss sttd sttr stud stup stur stus stut stuy styd styr stys sudd suds sup- supp supr sups supt supy sur- surd surp surr surs surt suru sury sus- susd susp suss sust susu susy sutu suty suus suyr suyu syds syrs syrt syry syss syst sytt tdss tpdu tppd tppp tppr tprs tptp tptr tput trpp trps trsd trst trtr trud trus trut truu try- tryp trys tsps tspt tssr tsst tsts tsup tsys ttss tttt ttyd ttys tudu tups tupu tupy turd turp turr turs turt turu tury tusd tuss tust tuts tutt tutu tuty tuys tydd tydy typ- typp typy tyr- tyrr tyss tyst tytd tytt tyty tyup tyus u-rp udds udpd udsd udts uppp uppu uppy upsy upup urds urdu urdy urry urss ursu ursy urts urup urur urus urut usdp usds usdt uspp usps ussr usss usst ussu ussy ustp usts usus utpd uttu uuuu uyts ydyt yput yssu yudu yups yurd yurt yury yust yutu yuty yuyu yyyy