scm scn sco scr scs sct scu sda sdc sdd sde sdm sdn sdo sdr sds sdt sdu se- sea sec sed see sem sen seo ser ses set seu sma smc smd sme smm smn smo smr sms smt smu sna snc snd sne snm snn sno snr sns snt snu soa soc sod soe som son soo sor sos sot sou sr- sra src srd sre srm srn sro srr srs srt ss- ssa ssc ssd sse ssm ssn sso ssr sss sst ssu sta stc std ste stm stn sto str sts stt stu sua suc sud sue sum sun suo sur sus sut suu taa tac tad tae tam tan tao tar tas tat tau tca tcc tcd tce tcm tcn tco tcr tcs tct tcu tda tdc tdd tde tdm tdn tdo tdr tds tdt tdu te- tea tec ted tee tem ten teo ter tes tet teu tma tmc tmd tme tmm tmn tmo tmr tms tmt tmu tna tnc tnd tne tnm tnn tno tnr tns tnt to- toa toc tod toe tom ton too tor tos tot tou tra trc trd tre trm trn tro trr trs trt tru tsa tsc tsd tse tsm tsn tso tsr tss tst tsu tta ttc ttd tte ttm ttn tto ttr tts ttt ttu tua tuc tud tue tum tun tuo tur tus tut tuu ua- uaa uac uad uae uam uan uao uar uas uat uau uca ucc ucd uce ucm ucn uco ucr ucs uct ucu uda udc udd ude udm udn udo udr uds udt udu uea uec ued uee uem uen uer ues uet um- uma umc umd ume umm umn umo umr ums umt umu un- una unc und une unm unn uno unr uns unt unu uoa uoc uod uoe uom uon uoo uor uos uot ur- ura urc urd ure urm urn uro urr urs urt uru usa usc usd use usm usn uso usr uss ust usu uta utc utd ute utm utn uto utr uts utt utu uua uuc uue uum uun uur uus uut uuu