sgf sgg sgi sgk sgl sgn sgp sgs sic sie sif sig sii sik sil sin sip sis sk- skc ske skf skg ski skk skl skp sks sky slc sle slf slg sli slk sll sln slp sls sly snc sne snf sng sni snk snl snn snp sns sny spc spe spf spg spi spk spl spn spp sps spy ss- ssc sse ssf ssg ssi ssk ssl ssn ssp sss sy- syc sye syg syi syk syl syn syp sys ycc yce ycf yci ycl ycp ycs ycy yec yee yef yeg yei yek yel yen yep yes yey yfc yfe yff yfs ygc ygl yie yif yig yii yin yip yis yki ykk ykn ylc yle ylg yli ylk yll yls yly yne yng ynk ynn ynp yns yny ypf ypg ypl yps ysc yse ysg ysi ysk ysl ysp yss ysy yyc yye yyf yyg yys yyy