dddd ddps ddss didi dids diii diis din- dini dinn dins dipn dipp dips dis- disd disi disp diss dnis dpin dpni dpsd dsdp dsip dsps dssi dssn dssp idid idin idis idps idss iiii iiis iisd iisi iisp ind- indi inds inid inis inni inns inp- inpi inpp insp inss ipdi ipid ipin ipsi ipsp ipss isdn isds isin isis isps issi issp isss n-ii ndnp ndpd ndps ndsi ndss nidd nidi nids niip nind nini nins nips nisd nisi nisp niss nnnn nnpi nnss npin nppd npss nsds nsin nsis nspi nsps nssp nsss pdns pdpn pdsd pdss pids piip pind pini pinn pinp pins pipi pipp pips pisd pisi piss pnin pnpp ppds ppid pppd pppn pppp ppps ppss psdi psdp psds psid psip psis psni pspi pspp psps s-ii sdds sdps sdss sidd sidi sids sind sini sinn sinp sins sipi sipp sips sisd sisi siss snid snip snns snpp snsd spdp spin spip spis spns sppd spps spsd spsp spss ssdd ssdp ssid ssin ssis ssns ssps sssi ssss