-ism iiii iiis iirs iisi iism iisr iisu iium imir immi imms imri imrr imsi imsr imss imsu imus iri- iris irms irri irrs irus isim isis ismi isms isri issi issr isss issu isum isus iuiu iums iuss miii miis mim- mimi mims miri mirr mirs miru mis- misi misr miss misu miui mmii mmis mmmm mmms mmsu mmus mris mrsi msmm msms msmu mssi mssm mssr msus muir muis mumm mums mumu muri murr murs muru musi muss musu riis rimi rimm rims rimu riri rirs risi rism riss risu rius rrrr rrum rsis rsum ruis rumi rumm rums ruri rurs ruru rusi russ rusu s-ii siim simi simm sims siri sirr sirs siru sisi siss sisu siui sium sius smis smss smur smus srim sris ssis ssri ssrm ssrs sssi sssm ssss suir suis sum- sumi sums sumu sur- suri surr surs suru sus- susi suss susu suum suus uims uirr umms umri umsu umus urim uris uriu urmi urri ursi urss ursu urum urur urus usim usis usmm usms ussr usss ussu usui usus uuri uusi uuuu