-ism ffff ffii ffrr ffss fiff fifi fifm figg figs fiii fimr firm firs fisi fism fiss fisu fmri fmsr fmss frig frim fris frsm frug frum fsfi fsgs fsim fssf fuff fufu fugi fugs fugu fuig fuir fumi fums fur- furg furi furm furr furs fusi fuss fusu gfms ggfg gggg ggss giff gifs gifu gigg gigi gigs giis girg giri girr girs giru gism giss giur gius gmmr gmrs grif grig grim gris grrr grrs grsm grss gruf grug grui grum grur grus gsif gsis gsur guff gugg gugi gugu guis gumi gumm gums gurg guri gurr gurs guru guss guus ifim ifis ifrf ifri iggs igis igri igsm igus iiii iiis iirs iisi iism iisr iisu iium imfi imir immi imms imri imrr imsf imsi imsr imss imsu imus irfm irfu irgm irgs iri- irig iris irms irri irrs irsf irsg irus isim isis ismi isms isrg isri issf issi issr isss issu isum isus iugs iuiu iums iuss mfri mfrs mgrm mgrs mgsm mgus miff mifi migg migi migs migu miii miis mim- mimi mims mirg miri mirr mirs miru mis- misg misi misr miss misu miui mmff mmii mmis mmmm mmms mmrf mmsu mmus mris mrsi msff msfs msgr msgs msmm msms msmu mssf mssg mssi mssm mssr msus muff mufi mufu mugg mugi mugs mugu muir muis mumm mums mumu murg muri murr murs muru musi muss musu rfgs riff rifs rifu rigg rigi rigs rigu riif riis rimi rimm rims rimu riri rirs risi rism riss risu rius rmif rmrg rrif rrrr rrum rsis rsmg rsum ruff rugg rugi rugs ruif ruis rumi rumm rums ruri rurs ruru rusi russ rusu s-ii sfmm sfss sfsu sggg sggs sgsm sgss siff sifr sifu sigg sigi sigs siim simi simm sims sirf siri sirr sirs siru sisi siss sisu siui sium sius smgs smif smig smis smrf smss smug smur smus srfi srim sris ssgs ssis ssrg ssri ssrm ssrs sssf sssi sssm ssss suf- suff sufi sufr sufs sufu sug- sugg sugi suig suir suis sum- sumi sums sumu sur- surf surg suri surr surs suru sus- susi suss susu suum suus ufms uggs ugis ugri ugur uguu uims uirr umff umfg ummg umms umri umsu umus urff urfi urgi urgu urif urim uris uriu urmi urri ursi urss ursu urum urur urus usfi usfs usif usim usis usmm usms ussf ussr usss ussu usui usus uuri uusi uuuu