dddd ddps ddss didi dids didu diii diis dipp dips dipu dis- disd disi disp diss dius dpsd dpsu dsdp dsip dsps dssi dssp dudd duds dudu duid duis dusi idid idis idps idss idus iiii iiis iisd iisi iisp iisu ipdi ipid ipsi ipsp ipss ipus isds isis isps issi issp isss issu isup isus iuds iuiu iupp iusd iuss pdsd pdss pids piip pipi pipp pips pisd pisi piss pisu pius ppds ppid pppd pppp ppps ppss psdi psdp psds psid psip psis pspi pspp psps puds pudu puid puis puiu pupi pups pupu pusd pusi puss s-ii sdds sdps sdss sdsu sidd sidi sids sipi sipp sips sisd sisi siss sisu siui sius spdp spip spis sppd spps spsd spsp spss spud spui spus ssdd ssdp ssid ssis ssps sssi ssss sudd sudi suds suid suis sup- supp sups sus- susd susi susp suss susu suus uddi udds udid udpd udsd uipi uisd upis uppp uppu upsi upup usdp usds usip usis uspp usps usss ussu usui usus uusi uuuu