iiii iiis iiit iirs iisi iisr iist iisu iitr iitt inis init inni innr inns innu inri inrs inss inst insu inti intn intr ints intu inui inun inus inxs iri- irin iris irix irri irrs irti irts irun irus isin isis isit isnt isri issi issr isss issu isti istr ists isuq isus itin itis itri itrs itsi itsu itur iuiu iuss iust ixxi n-ii niir niit niiu nini nins nirs nirt niru nisi niss nist nisu niti nitr nits niur nixi nixt nnit nnnn nnss nntn nqit nrts nsin nsis nsnr nssr nsss nsts nstu ntis ntnu ntru ntss ntsu nttr ntui nuin nuit nuix nunn nuns nunt nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu qins qiru qisi qqqq qrss qrst qsit qsqs qsqt qsrs qtrs qttn quin quir quis quit quni qunu quri qust quu- quux quxu riin riis rinn riqq riri rirs risi riss rist risu riti rits ritt ritu rius rnin rnnt rnut rrrr rrun rsis rsnn rsnr rsts rstu rtns rtss rtts ruin ruis ruit runi runn runs runt ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ii siit sini sinn sins sint sinu siri sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sius siut sixt sixx snir snit snns snrs sntr snur snus sqin sqrt sris srni srnn srtr ssin ssis ssit ssns ssri ssrs sssi ssss ssts stir stis stit stix stnn stnr stns stri strn strs stru stsi stss sttr stun stur stus stut stux suin suir suis suit sun- suni sunn suns sunt sunu suqs sur- suri surn surr surs surt suru sus- susi suss sust susu suti sutu suus sux- suxt tiit tiiu tini tinn tins tint tinu tiri tirr tirs tiru tisi tiss tist titi tits titt titu tixt tnts tnut tri- trin tris trit trix trsi trst trtr trun trus trut truu trux tsin tsis tsix tssi tssr tsst tsts tsui tsun ttss tttt tuin tuis tuit tuiu tuix tuni tunn tuns tunu turi turn turr turs turt turu tusi tuss tust tuti tuts tutt tutu tuxs txii txtr uint uirr uist uits uni- unii unin uniq unir unis unit unix unni unns unrs uns- unst unts unus unut urin uris uriu urix urni urns urri ursi urss ursu urts urun uruq urur urus urut usin usis usix usnr usnu ussr usss usst ussu usti usts usui usun usus utin utis utri utti uttu utuq uuni uuri uusi uuuu uxus xiii xinu xiqi xiqu xisi xist xixi xsin xsun xtsr xuri xurs xuxu xxii xxix xxxi xxxx