-ism iiii iiis iiit iirs iisi iism iisr iist iitm iitr iitt imir imit immi imms immt imri imrr imsi imsr imss imst imts iri- iris irms irri irrs irti irts isim isis isit ismi isms isri issi issr isss isti istr ists itim itis itms itri itrs itsi miii miis miit mim- mimi mims miri mirr mirs mirt mis- misi misr miss mist mit- miti mitm mits mitt mmii mmis mmmm mmms mmst mmts mris mrsi mrtm mrts mrtt msmm msms msrt mssi mssm mssr msst mstr msts mtrr mtss mtst mttr mtts riis rimi rimm rims riri rirs risi rism riss rist riti rits ritt rmst rrrr rsis rsts rtmi rtms rtss rtts s-ii siim siit simi simm sims simt siri sirr sirs sirt sisi siss sist sit- siti sits sitt smis smit smrt smss smti srim sris srtr ssis ssit ssri ssrm ssrs sssi sssm ssss ssts stim stir stis stit stms stmt stri strs stsi stsm stss sttr tiit timi timm tims tiri tirr tirs tisi tism tiss tist titi tits titt tmsi tmtt tri- trim tris trit trmi trms trsi trst trtr tsis tssi tssm tssr tsst tstm tsts ttim ttms ttss tttt