dddd ddps ddss didi dids didu diii diis din- dini dinn dins dinu dipn dipp dips dipu dis- disd disi disp diss dius dnis dnus dpin dpni dpsd dpsu dsdp dsip dsps dssi dssn dssp dudd duds dudu duid duin duis dunn duns dusi idid idin idis idps idss idun idus iiii iiis iisd iisi iisp iisu ind- indi inds indu inid inis inni inns innu inp- inpi inpp insp inss insu inui inun inup inus ipdi ipid ipin ipsi ipsp ipss ipus isdn isds isin isis isps issi issp isss issu isup isus iuds iuiu iupp iusd iuss n-ii n-up ndnp ndpd ndps ndsi ndss nidd nidi nids niip niiu nind nini nins nips nisd nisi nisp niss nisu nnnn nnpi nnss npin nppd npss nsds nsin nsis nspi nsps nssp nsss nudd nudi nuin nunn nuns nups nusi nuss nusu pdns pdpn pdsd pdss pids piip pind pini pinn pinp pins pinu pipi pipp pips pisd pisi piss pisu pius pnin pnpp pnup ppds ppid pppd pppn pppp ppps ppss psdi psdp psds psid psip psis psni pspi pspp psps puds pudu puid puin puis puiu pund puns punu pupi pups pupu pusd pusi puss s-ii sdds sdps sdss sdsu sidd sidi sids sind sini sinn sinp sins sinu sipi sipp sips sisd sisi siss sisu siui sius snid snip snns snpp snsd snus spdp spin spip spis spns sppd spps spsd spsp spss spud spui spun spus ssdd ssdp ssid ssin ssis ssns ssps sssi ssss sudd sudi suds suid suin suis sun- sund suni sunn suns sunu sup- supp sups sus- susd susi susp suss susu suus uddi udds udid udin udpd udsd udun uipi uisd undi unds uni- unii unin unis unni unns unps uns- unus upin upis upnp uppp uppu upsi upup usdp usds usin usip usis usnu uspp usps usss ussu usui usun usus uuni uusi uuuu