sct scu sda sdc sdd sdg sdi sdm sdn sdr sds sdt sdu sga sgc sgd sgg sgi sgm sgn sgr sgs sgt sgu sia sic sid sig sii sim sin sir sis sit siu sma smc smd smg smi smm smn smr sms smt smu sna snc snd sng sni snm snn snr sns snt snu sr- sra src srd srg sri srm srn srr srs srt ss- ssa ssc ssd ssg ssi ssm ssn ssr sss sst ssu sta stc std stg sti stm stn str sts stt stu sua suc sud sug sui sum sun sur sus sut suu taa tac tad tag tai tam tan tar tas tat tau tca tcc tcd tcg tci tcm tcn tcr tcs tct tcu tda tdc tdd tdg tdi tdm tdn tdr tds tdt tdu tga tgc tgg tgi tgm tgn tgr tgs tgt tgu tia tic tid tig tii tim tin tir tis tit tiu tma tmc tmd tmg tmi tmm tmn tmr tms tmt tmu tna tnc tnd tng tni tnm tnn tnr tns tnt tra trc trd trg tri trm trn trr trs trt tru tsa tsc tsd tsg tsi tsm tsn tsr tss tst tsu tta ttc ttd ttg tti ttm ttn ttr tts ttt ttu tua tuc tud tug tui tum tun tur tus tut tuu ua- uaa uac uad uag uai uam uan uar uas uat uau uca ucc ucd ucg uci ucm ucn ucr ucs uct ucu uda udc udd udg udi udm udn udr uds udt udu uga ugc ugg ugi ugm ugn ugr ugs ugt ugu uia uic uid uig uii uim uin uir uis uit uiu um- uma umc umd umg umi umm umn umr ums umt umu un- una unc und ung uni unm unn unr uns unt unu ur- ura urc urd urg uri urm urn urr urs urt uru usa usc usd usg usi usm usn usr uss ust usu uta utc utd uti utm utn utr uts utt utu uua uuc uug uum uun uur uus uut uuu