dddd ddss ddts didi dids diii diis din- dini dinn dins dint dird dirr dirs dirt dis- disd disi diss dist diti dits ditt ditz dizi dizz dnis dntt drin drit drrs dsdr dsri dsrr dssi dssn dsst dstn dsts dtss dzrr dzsr dzst idid idin idir idis idss idts iiii iiis iiit iirs iisd iisi iisr iist iitr iitt ind- indi inds inid inis init inni innr inns inri inrs inss inst intd inti intn intr ints irds iri- irid irin iris irri irrs irti irts isdn isds isin isis isit isnt isri issi issr isss istd isti istr ists itin itis itri itrs itsi n-ii ndnt ndri ndsi ndss nidd nidi nids niir niit nind nini nins nirs nirt nisd nisi niss nist niti nitr nits nitz nnit nnnn nnss nntn nrds nrrd nrts nsds nsdt nsin nsis nsnr nsrd nssr nsss nstd nsts ntds ntis ntnd ntss nttr nzst ridd ridi rids riin riis rind rinn riri rirs risd risi riss rist riti rits ritt ritz rizi rizz rnds rnin rnnt rntd rrrr rsdd rsds rsid rsis rsnn rsnr rsts rtdt rtnd rtns rtss rtts s-ii sdds sdrs sdss sidd sidi sidr sids siit sind sini sinn sins sint siri sirr sirs sirt sisd sisi siss sist sit- sitd siti sitn sits sitt sitz sizz snid snir snit snns snrs snsd sntr 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 stsi stss sttd sttr szin szis szss tdis tdri tdss tidd tids tiit tind tini tinn tins tint tird tiri tirr tirs tisi tiss tist titi tits titt titz tizi tizz tndd tnts tri- trin tris trit triz trsd trsi trst trtr tsid tsin tsis tssi tssr tsst tsts ttss tttt tzzt zidi zinn zins ziri zisd zisi zist ziti zits zizi zizz zrin zsss ztst zzzs zzzz