sas sat sau sca scc scd sci scm scn sco scr scs sct scu sda sdc sdd sdi sdm sdn sdo sdr sds sdt sdu sia sic sid sii sim sin sio sir sis sit siu sma smc smd smi smm smn smo smr sms smt smu sna snc snd sni snm snn sno snr sns snt snu soa soc sod soi som son soo sor sos sot sou sr- sra src srd sri srm srn sro srr srs srt ss- ssa ssc ssd ssi ssm ssn sso ssr sss sst ssu sta stc std sti stm stn sto str sts stt stu sua suc sud sui sum sun suo sur sus sut suu taa tac tad tai tam tan tao tar tas tat tau tca tcc tcd tci tcm tcn tco tcr tcs tct tcu tda tdc tdd tdi tdm tdn tdo tdr tds tdt tdu tia tic tid tii tim tin tio tir tis tit tiu tma tmc tmd tmi tmm tmn tmo tmr tms tmt tmu tna tnc tnd tni tnm tnn tno tnr tns tnt to- toa toc tod toi tom ton too tor tos tot tou tra trc trd tri trm trn tro trr trs trt tru tsa tsc tsd tsi tsm tsn tso tsr tss tst tsu tta ttc ttd tti ttm ttn tto ttr tts ttt ttu tua tuc tud tui tum tun tuo tur tus tut tuu ua- uaa uac uad uai uam uan uao uar uas uat uau uca ucc ucd uci ucm ucn uco ucr ucs uct ucu uda udc udd udi udm udn udo udr uds udt udu uia uic uid uii uim uin uio uir uis uit uiu um- uma umc umd umi umm umn umo umr ums umt umu un- una unc und uni unm unn uno unr uns unt unu uoa uoc uod uom uon uoo uor uos uot ur- ura urc urd uri urm urn uro urr urs urt uru usa usc usd usi usm usn uso usr uss ust usu uta utc utd uti utm utn uto utr uts utt utu uua uuc uum uun uur uus uut uuu