-ism dddd ddss didi dids didu diii diis diiv dimi dimm dims dimu dird dirr dirs dis- disd disi diss dius divd divi divs dmds dmss dmus dmvs drms drrs drui drum drus druu druv dsdm dsdr dsms dsmv dsri dsrr dssi dsvd dudd duds dudu duid duir duis dumi dumm dums duri duru dusi duur dvdr dvds dvi- dvii dvir dvms dvrs dvsr iddm idid idir idis idms idss idus idvd iiii iiis iirs iisd iisi iism iisr iisu iium imdi imds imid imir immi imms imri imrr imsi imsr imss imsu imus imvu irds iri- irid iris irms irri irrs irus irvs isds isim isis ismi isms isri issi issr isss issu isum isus iuds iuiu iums iusd iuss ivdr ivim ivms ivrs mddm mdds mdii mdis mdiv mdsd mdud mdvi mid- midi mids miii miis mim- mimd mimi mims mird miri mirr mirs miru mirv mis- misd misi misr miss misu miui mmdi mmds mmdv mmii mmis mmiv mmmd mmmm mmms mmsd mmsu mmus mmvi mrdd mrds mris mrmd mrsd mrsi mrud msid msmm msms msmu mssi mssm mssr msud msus msvs mudd mudi muds mudu muid muir muis mumm mums mumu murd muri murr murs muru musd musi muss musu mvds mvii rdms rdvs ridd ridi rids riis rimi rimm rims rimu riri rirs risd risi rism riss risu rius rivs rmmv rrrr rrum rsdd rsds rsid rsis rsmv rsum rudd rudi ruds ruid ruis rumi rumm rums rurd ruri rurs ruru rusi russ rusu ruud ruvi ruvu s-ii s-iv 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 sivi smdr smid smis smsd smss smur smus srim sris srsd ssdd ssdm ssid ssis ssri ssrm ssrs sssi sssm ssss ssvm sudd sudi suds suid suir suis sum- sumd sumi sums sumu sur- surd suri surr surs suru surv sus- susd susi suss susu suum suus suvi suvs svim svir 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 uvid uvis uvrd uvri uvvu vdsi vidi vids viii vimi vims viri virm virr viru visd visi viss visu vivi vmds vrdi vris vrms vrsi vsmu vudi vudu vuir vvvv