sop sos sou soy spa spb sph spi spl spm spo spp sps spu spy ss- ssa ssb ssh ssi ssl ssm sso ssp sss ssu sua sub suh sui sul sum suo sup sus suu suy sy- sya syb syh syi syl sym syp sys syu ua- uaa uab uah uai ual uam uao uap uas uau uay uba ubb ubh ubi ubl ubo ubp ubs ubu uby uha uhb uhh uhi uhl uhm uho uhp uhs uhu uhy uia uib uii uil uim uio uip uis uiu ula ulb uli ull ulm ulo ulp uls ulu uly um- uma umb umh umi uml umm umo ump ums umu uoa uob uol uom uoo uop uos up- upa upb uph upi upm upo upp ups upu usa usb ush usi usl usm uso usp uss usu uua uum uus uuu uyi uyo uys uyu yaa yab yah yai yal yam yao yap yas yau yay ybi ybl ybm ybp ybs yby yha yhi yhs yhu yih yii yim yio yip yis yli yll ylm yls yly yma ymi yml ymm ymo yms yob yoi yol yom yoo yop yos you yoy ypa ypl ypo yps ypu ysa ysb ysi ysl ysm yso ysp yss ysu ysy yua yuh yui yul yum yuo yup yus yuu yuy yyb yys yyu yyy