scc scd sce scg sci scl scr scs sct scu sda sdc sdd sde sdg sdi sdl sdr sds sdt sdu se- sea sec sed see seg sei sel ser ses set seu sga sgc sgd sge sgg sgi sgl sgr sgs sgt sgu sia sic sid sie sig sii sil sir sis sit siu sla slc sld sle slg sli sll slr sls slt slu sr- sra src srd sre srg sri srl srr srs srt ss- ssa ssc ssd sse ssg ssi ssl ssr sss sst ssu sta stc std ste stg sti stl str sts stt stu sua suc sud sue sug sui sul sur sus sut suu taa tac tad tae tag tai tal tar tas tat tau tca tcc tcd tce tcg tci tcl tcr tcs tct tcu tda tdc tdd tde tdg tdi tdl tdr tds tdt tdu te- tea tec ted tee teg tei tel ter tes tet teu tga tgc tge tgg tgi tgl tgr tgs tgt tgu tia tic tid tie tig tii til tir tis tit tiu tla tlc tld tle tlg tli tll tlr tls tlt tlu tra trc trd tre trg tri trl trr trs trt tru tsa tsc tsd tse tsg tsi tsl tsr tss tst tsu tta ttc ttd tte ttg tti ttl ttr tts ttt ttu tua tuc tud tue tug tui tul tur tus tut tuu ua- uaa uac uad uae uag uai ual uar uas uat uau uca ucc ucd uce ucg uci ucl ucr ucs uct ucu uda udc udd ude udg udi udl udr uds udt udu uea uec ued uee ueg uei uel uer ues uet uga ugc uge ugg ugi ugl ugr ugs ugt ugu uia uic uid uie uig uii uil uir uis uit uiu ula ulc uld ule ulg uli ull ulr uls ult ulu ur- ura urc urd ure urg uri url urr urs urt uru usa usc usd use usg usi usl usr uss ust usu uta utc utd ute uti utl utr uts utt utu uua uuc uue uug uur uus uut uuu