dddd ddss ddts didi dids didu diii diis din- dini dinn dins dint dinu dird dirr dirs dirt dis- disd disi diss dist diti dits ditt dius dnis dntt dnus dnut drin drit drrs drui drus drut druu dsdr dsri dsrr dssi dssn dsst dstn dsts dtss dudd duds dudu duid duin duir duis duit dunn duns dunt duri durn durt duru dusi dust duts duur duut idid idin idir idis idss idts idun idus iiii iiis iiit iirs iisd iisi iisr iist iisu iitr iitt ind- indi inds indu inid inis init inni innr inns innu inri inrs inss inst insu intd inti intn intr ints intu inui inun inus irds iri- irid irin iris irri irrs irti irts irun irus isdn isds isin isis isit isnt isri issi issr isss issu istd isti istr ists isus itin itis itri itrs itsi itsu itur iuds iuiu iusd iuss iust n-ii ndnt ndri ndsi ndss ndut nidd nidi nids niir niit niiu nind nini nins nirs nirt niru nisd nisi niss nist nisu niti nitr nits niur nnit nnnn nnss nntn nrds nrrd nrts nsds nsdt nsin nsis nsnr nsrd nssr nsss nstd nsts nstu ntds ntis ntnd ntnu ntru ntss ntsu nttr ntui nudd nudi nuin nuit nunn nuns nunt nurd nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu ridd ridi rids riin riis rind rinn riri rirs risd risi riss rist risu riti rits ritt ritu rius rnds rnin rnnt rntd rnut rrrr rrun rsdd rsds rsid rsis rsnn rsnr rsts rstu rtdt rtnd rtns rtss rtts rudd rudi ruds ruid ruin ruis ruit rund runi runn runs runt rurd ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruud ruun s-ii sdds sdrs sdss sdsu sidd sidi sidr sids siit sind sini sinn sins sint sinu siri sirr sirs sirt siru sisd sisi siss sist sisu sit- sitd siti sitn sits sitt situ siui sius siut snid snir snit snns snrs snsd sntr snur snus sris srni srnn srsd srtr ssdd ssid ssin ssis ssit ssns ssri ssrs sssi ssss sstd ssts stds stid stir stis stit stnd stnn stnr stns strd stri strn strs stru stsi stss sttd sttr stud stun stur stus stut sudd sudi suds suid suin suir suis suit sun- sund suni sunn suns sunt sunu sur- surd suri surn surr surs surt suru sus- susd susi suss sust susu suti sutu suus tdis tdri tdss tidd tids tiit tiiu tind tini tinn tins tint tinu tird tiri tirr tirs tiru tisi tiss tist titi tits titt titu tndd tnts tnut tri- trin tris trit trsd trsi trst trtr trud trun trus trut truu tsid tsin tsis tssi tssr tsst tsts tsui tsun ttss tttt tudi tudu tuin tuis tuit tuiu tund tuni tunn tuns tunu turd turi turn turr turs turt turu tusd tusi tuss tust tuti tuts tutt tutu uddi udds udid udin udir udsd udts udun uint uirr uisd uist uits undi unds uni- unii unin unir unis unit unni unns unrs uns- unst unts unus unut urds urdu urin uris uriu urni urns urri ursi urss ursu urts urun urur urus urut usds usdt usin usis usnr usnu ussr usss usst ussu usti usts usui usun usus utid utin utis utri utti uttu uuni uuri uusi uuuu