-ism ffff ffii ffss fiff fifi fifm fiii fisi fism fiss fisu fmss fmyi fsfi fsim fssf fuff fufu fumi fums fumy fusi fuss fusu fuyu fyfi iffy ifim ifis ifmy iiii iiis iisi iism iisu iium imfi immi imms immy imsf imsi imss imsu imus isim isis ismi isms ismy issf issi isss issu issy isum isus isys iuiu iums iuss miff mifi miii miis mim- mimi mims mimy mis- misi miss misu misy miui miyu mmff mmii mmis mmmm mmms mmsu mmus mmyy msff msfs msmm msms msmu mssf mssi mssm msus muff mufi mufu muis mumm mums mumu mumy musi muss musu muys myi- myis mymy mys- myss myus myys s-ii sfmm sfss sfsu siff sifu sify siim simi simm sims simy sisi siss sisu sisy siui sium sius siyi siyu smif smis smss smus ssis sssf sssi sssm ssss suf- suff sufi sufs sufu suis sum- sumi sums sumu sumy sus- susi suss susu susy suum suus suyi suyu syff syfy syis sym- symi syms syss ufms uims umff umms umsu umus usfi usfs usif usim usis usmm usms ussf usss ussu ussy usui usus uusi uuuu yiff yiss ysii yssu yuff yufu yumi yuyu yyff yyyy