sod soe som soo sop sor sos sou soy spa spc spd spe spm spo spp spr sps spu spy sr- sra src srd sre srm sro srp srr srs sry ss- ssa ssc ssd sse ssm sso ssp ssr sss ssu sua suc sud sue sum suo sup sur sus suu suy sy- sya syc syd sye sym syp syr sys syu ua- uaa uac uad uae uam uao uap uar uas uau uay uca ucc ucd uce ucm uco ucp ucr ucs ucu uda udc udd ude udm udo udp udr uds udu uea uec ued uee uem uep uer ues uey um- uma umc umd ume umm umo ump umr ums umu uoa uoc uod uoe uom uoo uop uor uos up- upa upc upd upe upm upo upp upr ups upu ur- ura urc urd ure urm uro urp urr urs uru ury usa usc usd use usm uso usp usr uss usu uua uuc uue uum uur uus uuu uyc uyo uys uyu yaa yac yad yae yam yao yap yar yas yau yay yca ycc ycd yce yco ycp ycs ycu ycy yda yde ydo yds ydy yea yec yed yee yem yeo yep yer yes yey yma ymc yme ymm ymo yms yoc yod yoe yom yoo yop yor yos you yoy ypa ypd ypo yps ypu yra yrc yre yro yrp yrs yru ysa ysc yse ysm yso ysp ysr yss ysu ysy yua yud yue yum yuo yup yur yus yuu yuy yyc yye yys yyu yyy