sois soke soki sokk soko some somi somm somo somy sood sook soom soos sooy sose sosi soso soss soye soyo soys ssdd ssdm ssee ssem sses ssid ssis sssi sssm ssss syde sydi syds syes syik syis syke sym- syme symi syms syse syso syss syyk ydee ydes ydie yedd yede yedi yedo yeds yeed yeek yees yeid yeie yeii yeke yeki yeme yemm yeom yeos yesi yesk yesm yeso yess yeye yeyi yeyo yidi yids yike yise yisk yiss ykes ykey ykid ykko ymyd yode yodo yods yoik yoke yoki yoko yoks yoky yomi yomo yood yook yosi yoso yoye yoyo ysed ysee yses ysii ysse yyyy