-ism dddd ddss ddts didi dids diii diis dimi dimm dims dird dirr dirs dirt dis- disd disi diss dist diti dits ditt dmds dmdt dmss dmst dmts drit drms drrs dsdm dsdr dsms dsri dsrr dssi dsst dsts dtss iddm idid idir idis idms idss idts iiii iiis iiit iirs iisd iisi iism iisr iist iitm iitr iitt imdi imds imdt imid imir imit immi imms immt imri imrr imsi imsr imss imst imts irds iri- irid iris irms irri irrs irti irts isds isim isis isit ismi isms isri issi issr isss istd isti istr ists itim itis itms itri itrs itsi mddm mdds mdii mdis mdsd mdst mid- midi mids miii miis miit mim- mimd mimi mims mird miri mirr mirs mirt mis- misd misi misr miss mist mit- miti mitm mits mitt mmdi mmds mmii mmis mmmd mmmm mmms mmsd mmst mmts mrdd mrds mris mrmd mrsd mrsi mrtm mrts mrtt msid msmm msms msrt mssi mssm mssr msst mstr msts mtrr mtss mtst mttr mtts rdms ridd ridi rids riis rimi rimm rims riri rirs risd risi rism riss rist riti rits ritt rmst rrrr rsdd rsds rsid rsis rsts rtdt rtmi rtms rtss rtts s-ii sdds sdms sdrs sdsm sdss sdtm sidd sidi sidr sids siim siit simd simi simm sims simt siri sirr sirs sirt sisd sisi siss sist sit- sitd siti sits sitt smdr smid smis smit smrt smsd smss smtd smti srim sris srsd srtr ssdd ssdm ssid ssis ssit ssri ssrm ssrs sssi sssm ssss sstd ssts stdm stds stid stim stir stis stit stms stmt strd stri strs stsi stsm stss sttd sttr tdis tdmi tdri tdss tidd tids tiit timi timm tims tird tiri tirr tirs tisi tism tiss tist titi tits titt tmsi tmtt tri- trim tris trit trmd trmi trms trsd trsi trst trtr tsid tsis tssi tssm tssr tsst tstm tsts ttim ttms ttss tttt