shok shom shoo shop shos shps shyp sibi sibo sibs siby sihi sihk sihs siik siim sikh siki siko siks simh simi simm simo simp sims simy siop sios sipi sipo sipp sips sipy sish sisi sisk siss sisy siyi skhs skik skim skio skip skis skop skpo skss sky- skys skyy smbh smhs smis smkb smki smok smos smoy smps smsh smsp smss smyk sobo sobp sobs sohh sohm soho sohp sohs soik soim sois soki sokk soko somb somi somm somo somy sook soom soop soos sooy soph sopi sopo sopp sops sopy sosh sosi soso soss soyo soys spby sphs spib spik spim spio spip spis spmi spms spok spoo spop spos spoy spps spso spsp spss spy- spyh spys ssby sshs ssis ssop sspo ssps sssb sssh sssi sssm ssss sybo syik syis sym- symi syms syph sypo syso syss syyk ybbs yhis yips yisk yiss ykko yobi yobo yobs yoho yoik yoki yoko yoks yoky yomi yomo yomp yook yoop yopo yopy yosh yosi yoso yoyo ypsi ysby ysii ysop yspi yssh ysyb yyyy