sop sos sou soy spc spe spi spl spm spn spo spp sps spu spy ss- ssc sse ssi ssl ssm ssn sso ssp sss ssu suc sue sui sul sum sun suo sup sus suu suy sy- syc sye syi syl sym syn syp sys syu ucc uce uci ucl ucm ucn uco ucp ucs ucu uec uee uei uel uem uen uep ues uey uic uie uii uil uim uin uio uip uis uiu ulc ule uli ull ulm uln ulo ulp uls ulu uly um- umc ume umi uml umm umn umo ump ums umu un- unc une uni unl unm unn uno unp uns unu uny uoc uoe uol uom uon uoo uop uos up- upc upe upi upm upn upo upp ups upu usc use usi usl usm usn uso usp uss usu uuc uue uum uun uus uuu uyc uyi uyo uys uyu ycc yce yci ycl yco ycp ycs ycu ycy yec yee yei yel yem yen yeo yep yes yey yie yii yim yin yio yip yis ylc yle yli yll ylm yls yly ymc yme ymi yml ymm ymo yms yne ynn ynp yns ynu yny yoc yoe yoi yol yom yon yoo yop yos you yoy ypl ypo yps ypu ysc yse ysi ysl ysm yso ysp yss ysu ysy yue yui yul yum yun yuo yup yus yuu yuy yyc yye yys yyu yyy