ssgs ssis ssrg ssri ssrm ssrs sssi sssm ssss syer syes syik syis syke sym- syme symi syms syre syrs syry syse syss syyk szis szss szyk yeek yeer yees yegg yegi yeie yeii yeir yeke yeki yeme yemm yere yeri yerk yerm yerr yers yery yesi yesk yesm yess yeye yeyi yeyr yezi yike yire yirk yirm yirr yise yisk yiss ykes ykey ymer ymir yrke ysee yser yses ysii ysse yyyy zeek zees zegg zeir zeis zeke zeki zekr zeks zeme zemi zerg zeri zerk zeze ziem zigg zigi zigs zike ziki zikr ziks zimm ziri zisi zisk ziyi zizi zizz zmey zmiy zrze zsss zyg- zygi zyke zym- zyme zyyi zzzs zzzz