sog soi sol son soo sop sos sou soy spa spc spg spi spl spn spo spp sps spu spy ss- ssa ssc ssg ssi ssl ssn sso ssp sss ssu sua suc sug sui sul sun suo sup sus suu suy sy- sya syc syg syi syl syn syp sys syu ua- uaa uac uag uai ual uan uao uap uas uau uay uca ucc ucg uci ucl ucn uco ucp ucs ucu uga ugc ugg ugi ugl ugn ugo ugp ugs ugu uia uic uig uii uil uin uio uip uis uiu ula ulc ulg uli ull uln ulo ulp uls ulu uly un- una unc ung uni unl unn uno unp uns unu uny uoa uoc uog uol uon uoo uop uos up- upa upc upg upi upn upo upp ups upu usa usc usg usi usl usn uso usp uss usu uua uuc uug uun uus uuu uyc uyi uyo uys uyu yaa yac yag yai yal yan yao yap yas yau yay yca ycc yci ycl yco ycp ycs ycu ycy yga ygc ygl ygo yig yii yin yio yip yis ylc ylg yli yll yls yly yna yng ynn ynp yns ynu yny yoc yog yoi yol yon yoo yop yos you yoy ypa ypg ypl ypo yps ypu ysa ysc ysg ysi ysl yso ysp yss ysu ysy yua yug yui yul yun yuo yup yus yuu yuy yyc yyg yys yyu yyy