dddd ddps ddss ddts didi dids diii diis din- dini dinn dins dint dipn dipp dips dipt dis- disd disi disp diss dist diti dits ditt dnis dntp dntt dpdt dpin dpni dpsd dpst dpts dsdp dsip dsps dspt dssi dssn dssp dsst dstn dsts dtdp dtss dttp idid idin idis idps idss idtp idts iiii iiis iiit iisd iisi iisp iist iitt ind- indi inds inid inis init inni inns inp- inpi inpp inpt insp inss inst intd inti intn intp ints ipdi ipid ipin ipsi ipsp ipss ipts isdn isds isin isis isit isnt isps issi issp isss istd isti istp ists itin itis itsi itsp n-ii ndnp ndnt ndpd ndps ndsi ndss nidd nidi nids niip niit nind nini nins nips nipt nisd nisi nisp niss nist niti nits nnit nnnn nnpi nnss nntn npin nppd npss nptn nsds nsdt nsin nsis nspi nsps nssp nsss nstd nstp nsts ntds ntis ntnd ntpd ntss pdns pdpn pdsd pdss pids piip pind pini pinn pinp pins pint pipi pipp pips pisd pisi piss pist piti pits pitt pnin pnpp pntd ppds ppid pppd pppn pppp ppps ppss pptn ppts pptt psdi psdp psds psid psip psis psni pspi pspp psps psst psts ptpd ptsd s-ii sdds sdps sdss sidd sidi sids siit sind sini sinn sinp sins sint sipi sipp sips sipt sisd sisi siss sist sit- sitd siti sitn sits sitt snid snip snit snns snpp snsd spdp spdt spin spip spis spit spns sppd spps spsd spsp spss spst spts 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 tdis tdss tidd tids tiit tind tini tinn tins tint tip- tipi tipp tips tipt tisi tiss tist titi titp tits titt tndd tnsp tnts tppd tppp tptp tsid tsin tsis tspn tsps tspt tssi tsst tsts ttss tttt