-ing dddd ddss ddts dgsi dgsn didi dids didu digg digi digs diii diis din- ding dini dinn dins dint dinu dis- disd disg disi diss dist diti dits ditt dius dnis dntt dnus dnut dsgn dsng dssi dssn dsst dstn dsts dtng dtss dudd duds dudu dugs dugu duid duin duis duit dung dunn duns dunt dusi dust duts duut gggg ggss gidd gidi gids gigg gigi gign gigs giis ging gini ginn gins ginu gisd giss gist gits gius gnin gnit gnti gnus gsds gsis gudi gudu gugg gugi gugu guid guin guis gund gung gunn guns gunt gusd guss gust guti guts gutt gutu guus idid idig idin idis idss idts idun idus iggs igis igni igns ignu igus iiii iiis iiit iisd iisi iist iisu iitt ind- indi inds indu ings inid inig inis init inni inns innu inss inst insu intd intg inti intn ints intu inui inun inus isdn isds isin isis isit isnt issi isss issu istd isti ists isus itgs itin itis itsi itsu iuds iugs iuiu iusd iuss iust n-ii ndnt ndsi ndss ndut ngns ngsn ngtn ngts nguu nidd nidi nids nigg nigs nigt niit niiu nind ning nini nins nisd nisi niss nist nisu niti nits nngn nnit nnnn nnss nntn nsdg nsds nsdt nsin nsis nsss nstd nsts nstu ntds ntis ntnd ntnu ntss ntsu ntui nudd nudi nugs nuin nuit nung nunn nuns nunt nusi nuss nust nusu nuts nutt nutu s-ii sdds sdgs sdss sdsu sggg sggs sgsd sgss sgts sidd sidi sids sigd sigg sigi sign sigs siit sind sing sini sinn sins sint sinu sisd sisi siss sist sisu sit- sitd siti sitn sits sitt situ siui sius siut snid snig snit snns snsd snug snus ssdd ssgs ssgt ssid ssin ssis ssit ssns sssi ssss sstd ssts stds stid stig stis stit stnd stng stnn stns stsi stss sttd stud stug stun stus stut sudd sudi suds sug- sugg sugi suid suig suin suis suit sun- sund sung suni sunn suns sunt sunu sus- susd susi suss sust susu suti sutu suus tdis tdss tgts tidd tids tigi tigs tiit tiiu tind ting tini tinn tins tint tinu tisi tiss tist titi tits titt titu tndd tngs tnts tnut tsgt tsid tsig tsin tsis tssg tssi tsst tsts tsui tsun ttss tttt tudi tudu tugg tugs tugu tuig tuin tuis tuit tuiu tund tung tuni tunn tuns tunu tusd tusi tuss tust tuti tuts tutt tutu uddi udds udid udig udin udsd udts udun uggs uggt ugis ugni uguu uint uisd uist uits undi unds ungu uni- unii unin unis unit unni unns uns- unsg unst unts unus unut usds usdt usin usis usnu usss usst ussu usti usts usui usun usus utid utin utis utti uttu utug uuni uusi uuuu