-ism dddd ddss didi dids didu diii diis dimi dimm dims dimu dird dirr dirs dis- disd disi diss dius dmds dmss dmus drms drrs drui drum drus druu dsdm dsdr dsms dsri dsrr dssi dudd duds dudu duid duir duis dumi dumm dums duri duru dusi duur iddm idid idir idis idms idss idus iiii iiis iirs iisd iisi iism iisr iisu iium imdi imds imid imir immi imms imri imrr imsi imsr imss imsu imus irds iri- irid iris irms irri irrs irus isds isim isis ismi isms isri issi issr isss issu isum isus iuds iuiu iums iusd iuss mddm mdds mdii mdis mdsd mdud mid- midi mids miii miis mim- mimd mimi mims mird miri mirr mirs miru mis- misd misi misr miss misu miui mmdi mmds mmii mmis mmmd mmmm mmms mmsd mmsu mmus mrdd mrds mris mrmd mrsd mrsi mrud msid msmm msms msmu mssi mssm mssr msud msus mudd mudi muds mudu muid muir muis mumm mums mumu murd muri murr murs muru musd musi muss musu rdms ridd ridi rids riis rimi rimm rims rimu riri rirs risd risi rism riss risu rius rrrr rrum rsdd rsds rsid rsis rsum rudd rudi ruds ruid ruis rumi rumm rums rurd ruri rurs ruru rusi russ rusu ruud s-ii sdds sdms sdrs sdsm sdss sdsu sidd sidi sidr sids siim simd simi simm sims siri sirr sirs siru sisd sisi siss sisu siui sium sius smdr smid smis smsd smss smur smus srim sris srsd ssdd ssdm ssid ssis ssri ssrm ssrs sssi sssm ssss sudd sudi suds suid suir suis sum- sumd sumi sums sumu sur- surd suri surr surs suru sus- susd susi suss susu suum suus uddi udds udid udim udir udsd uims uirr uisd umms umri umsu umus urds urdu urim uris uriu urmi urri ursi urss ursu urum urur urus usdm usds usim usis usmd usmm usms ussr usss ussu usui usus uuri uusi uuuu