dddd ddps ddss ddts didi dids didu diii diis din- dini dinn dins dint dinu dipn dipp dips dipt dipu dis- disd disi disp diss dist diti dits ditt dius dnis dntp dntt dnus dnut dpdt dpin dpni dpsd dpst dpsu dpts dsdp dsip dsps dspt dssi dssn dssp dsst dstn dsts dtdp dtss dttp dudd duds dudu duid duin duis duit dunn duns dunt dusi dust dutp duts duut idid idin idis idps idss idtp idts idun idus iiii iiis iiit iisd iisi iisp iist iisu iitt ind- indi inds indu inid inis init inni inns innu inp- inpi inpp inpt insp inss inst insu intd inti intn intp ints intu inui inun inup inus ipdi ipid ipin ipsi ipsp ipss ipts ipus iput isdn isds isin isis isit isnt isps issi issp isss issu istd isti istp ists isup isus itin itis itsi itsp itsu itup iuds iuiu iupp iusd iuss iust n-ii n-up ndnp ndnt ndpd ndps ndsi ndss ndut nidd nidi nids niip niit niiu nind nini nins nips nipt nisd nisi nisp niss nist nisu niti nits nnit nnnn nnpi nnss nntn npin nppd npss nptn nsds nsdt nsin nsis nspi nsps nssp nsss nstd nstp nsts nstu ntds ntis ntnd ntnu ntpd ntss ntsu ntui nudd nudi nuin nuit nunn nuns nunt nups nusi nuss nust nusu nuts nutt nutu pdns pdpn pdsd pdss pids piip pind pini pinn pinp pins pint pinu pipi pipp pips pisd pisi piss pist pisu piti pits pitt pitu pius pnin pnpp pntd pnup ppds ppid pppd pppn pppp ppps ppss pptn ppts pptt psdi psdp psds psid psip psis psni pspi pspp psps psst psts pstu ptpd ptsd ptui puds pudu puid puin puis puit puiu pund puns punt punu pupi pups pupu pusd pusi puss pust put- puti puts putt putu s-ii sdds sdps sdss sdsu sidd sidi sids siit sind sini sinn sinp sins sint sinu sipi sipp sips sipt sisd sisi siss sist sisu sit- sitd siti sitn sits sitt situ siui sius siut snid snip snit snns snpp snsd snus spdp spdt spin spip spis spit spns sppd spps spsd spsp spss spst spts spud spui spun spus sput ssdd ssdp ssid ssin ssis ssit ssns ssps sspt sssi ssss sstd sstp ssts stds stid stip stis stit stnd stnn stns stpd stpp stps stsi stss sttd stud stun stup stus stut sudd sudi suds suid suin suis suit sun- sund suni sunn suns sunt sunu sup- supp sups supt sus- susd susi susp suss sust susu suti sutu suus tdis tdss tidd tids tiit tiiu tind tini tinn tins tint tinu tip- tipi tipp tips tipt tipu tisi tiss tist titi titp tits titt titu tndd tnsp tnts tnut tpdu tppd tppp tptp tput tsid tsin tsis tspn tsps tspt tssi tsst tsts tsui tsun tsup ttss tttt tudi tudu tuin tuis tuit tuiu tund tuni tunn tuns tunu tupi tups tupu tusd tusi tuss tust tuti tuts tutt tutu uddi udds udid udin udpd udsd udts udun uint uipi uisd uist uits undi unds uni- unii unin unis unit unni unns unps uns- unst unts unus unut upin upis upnp uppp uppu upsi upup usdp usds usdt usin usip usis usnu uspp usps usss usst ussu usti ustp usts usui usun usus utid utin utis utpd utti uttu uuni uusi uuuu