-ing dddd ddps ddss dgsi dgsn didi dids didu digg digi digs diii diis din- ding dini dinn dins dinu dipn dipp dips dipu dis- disd disg disi disp diss dius dnis dnus dpin dpni dpsd dpsu dsdp dsgn dsip dsng dsps dssi dssn dssp dudd duds dudu dugs dugu duid duin duis dung dunn duns dusi gdps gggg ggss gidd gidi gids gigg gigi gign gigs giis ging gini ginn gins ginu gipi gipp gips gisd giss gius gnin gnip gnps gnus gpgp gpip gpsd gpsg gpsi gpss gsds gsis gudi gudu gugg gugi gugu guid guin guis gund gung gunn guns gups gusd guss guus idid idig idin idis idps idss idun idus iggs igis igni igns ignu igsp igus iiii iiis iisd iisi iisp iisu ind- indi inds indu ings inid inig 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 iugs iuiu iupp iusd iuss n-ii n-up ndnp ndpd ndps ndsi ndss ngns ngsn nguu nidd nidi nids nigg nigs niip niiu nind ning nini nins nips nisd nisi nisp niss nisu nngn nnnn nnpi nnss npin nppd npss nsdg nsds nsin nsis nspi nsps nssp nsss nudd nudi nugs nuin nung nunn nuns nups nusi nuss nusu pdns pdpn pdsd pdss pgdn pgds pgpu pgss pgup pids pigg pign pigp pigs pigu piip pind ping pini pinn pinp pins pinu pipi pipp pips pisd pisg pisi piss pisu pius pnin pnpp pnup ppds ppgi ppid ppig pppd pppn pppp ppps ppss psdi psdp psds psgi psid psip psis psni pspi pspp psps puds pudu pugs pugu puid puig puin puis puiu pund pung puns punu pupi pups pupu pusd pusi puss s-ii sdds sdgs sdps sdss sdsu sggg sggs sgps sgsd sgss sidd sidi sids sigd sigg sigi sign sigs sind sing sini sinn sinp sins sinu sipi sipp sips sisd sisi siss sisu siui sius snid snig snip snns snpg snpp snsd snug snus spdp spig spin spip spis spns sppd spps spsd spsp spss spud spug spui spun spus ssdd ssdp ssgs ssid ssin ssis ssns ssps sssi ssss sudd sudi suds sug- sugg sugi suid suig suin suis sun- sund sung suni sunn suns sunu sup- supp sups sus- susd susi susp suss susu suus uddi udds udid udig udin udpd udsd udun uggs ugis ugni uguu uipi uisd undi unds ungp ungu uni- unii unin unis unni unns unps uns- unsg unus upin upis upnp uppp uppu upsi upup usdp usds usgp usin usip usis usnu uspp usps usss ussu usui usun usus uuni uusi uuuu