-ing dddd ddps ddss ddts dgsi dgsn didi dids didu digg digi digs diii diis din- ding dini dinn dins dint dinu dipn dipp dips dipt dipu dis- disd disg disi disp diss dist diti dits ditt dius dnis dntp dntt dnus dnut dpdt dpin dpni dpsd dpst dpsu dpts dsdp dsgn dsip dsng dsps dspt dssi dssn dssp dsst dstn dsts dtdp dtng dtss dttp dudd duds dudu dugs dugu duid duin duis duit dung dunn duns dunt dusi dust dutp duts duut gdps gggg ggss gidd gidi gids gigg gigi gign gigs giis ging gini ginn gins ginu gipi gipp gips gisd giss gist gits gius gnin gnip gnit gnps gnti gntp gnus gpgp gpip gpsd gpsg gpsi gpss gsds gsis gspt gtip gudi gudu gugg gugi gugu guid guin guis gund gung gunn guns gunt gups gusd guss gust guti guts gutt gutu guus idid idig idin idis idps idss idtp idts idun idus iggs igis igni igns ignu igsp igus iiii iiis iiit iisd iisi iisp iist iisu iitt ind- indi inds indu ings inid inig inis init inni inns innu inp- inpi inpp inpt insp inss inst insu intd intg 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 itgs itin itis itsi itsp itsu itup iuds iugs iuiu iupp iusd iuss iust n-ii n-up ndnp ndnt ndpd ndps ndsi ndss ndut ngns ngsn ngtn ngts nguu nidd nidi nids nigg nigs nigt niip niit niiu nind ning nini nins nips nipt nisd nisi nisp niss nist nisu niti nits nngn nnit nnnn nnpi nnss nntn npin nppd npss nptn nsdg nsds nsdt nsin nsis nspi nsps nssp nsss nstd nstp nsts nstu ntds ntis ntnd ntnu ntpd ntss ntsu ntui nudd nudi nugs nuin nuit nung nunn nuns nunt nups nusi nuss nust nusu nuts nutt nutu pdns pdpn pdsd pdss pgdn pgds pgpu pgss pgup pids pigg pign pigp pigs pigt pigu piip pind ping pini pinn pinp pins pint pinu pipi pipp pips pisd pisg pisi piss pist pisu piti pits pitt pitu pius pnin pnpp pntd pnup ppds ppgi ppid ppig pppd pppn pppp ppps ppss pptn ppts pptt psdi psdp psds psgi psid psip psis psni pspi pspp psps psst psts pstu ptgs ptpd ptsd ptui puds pudu pugs pugu puid puig puin puis puit puiu pund pung puns punt punu pupi pups pupu pusd pusi puss pust put- puti puts putt putu s-ii sdds sdgs sdps sdss sdsu sggg sggs sgps sgsd sgss sgts sidd sidi sids sigd sigg sigi sign sigs siit sind sing 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 snig snip snit snns snpg snpp snsd snug snus spdp spdt spgt spig spin spip spis spit spns sppd spps spsd spsp spss spst spts spud spug spui spun spus sput ssdd ssdp ssgs ssgt ssid ssin ssis ssit ssns ssps sspt sssi ssss sstd sstp ssts stds stid stig stip stis stit stnd stng stnn stns stpd stpp stps stsi stss sttd stud stug stun stup stus stut sudd sudi suds sug- sugg sugi suid suig suin suis suit sun- sund sung suni sunn suns sunt sunu sup- supp sups supt sus- susd susi susp suss sust susu suti sutu suus tdis tdss tgts tidd tids tigi tigs tiit tiiu tind ting tini tinn tins tint tinu tip- tipi tipp tips tipt tipu tisi tiss tist titi titp tits titt titu tndd tngs tnsp tnts tnut tpdu tppd tppp tptp tput tsgt tsid tsig tsin tsis tspn tsps tspt tssg tssi tsst tsts tsui tsun tsup ttss tttt tudi tudu tugg tugs tugu tuig tuin tuis tuit tuiu tund tung tuni tunn tuns tunu tupi tups tupu tusd tusi tuss tust tuti tuts tutt tutu uddi udds udid udig udin udpd udsd udts udun uggs uggt ugis ugni uguu uint uipi uisd uist uits undi unds ungp ungu uni- unii unin unis unit unni unns unps uns- unsg unst unts unus unut upin upis upnp uppp uppu upsi upup usdp usds usdt usgp usin usip usis usnu uspp usps usss usst ussu usti ustp usts usui usun usus utid utin utis utpd utti uttu utug uuni uusi uuuu