sca scc scd sce scm sco scp scr scs sct scu sda sdc sdd sde sdm sdo sdp sdr sds sdt sdu se- sea sec sed see sem seo sep ser ses set seu sma smc smd sme smm smo smp smr sms smt smu soa soc sod soe som soo sop sor sos sot sou spa spc spd spe spm spo spp spr sps spt spu sr- sra src srd sre srm sro srp srr srs srt ss- ssa ssc ssd sse ssm sso ssp ssr sss sst ssu sta stc std ste stm sto stp str sts stt stu sua suc sud sue sum suo sup sur sus sut suu taa tac tad tae tam tao tap tar tas tat tau tca tcc tcd tce tcm tco tcp tcr tcs tct tcu tda tdc tdd tde tdm tdo tdp tdr tds tdt tdu te- tea tec ted tee tem teo tep ter tes tet teu tma tmc tmd tme tmm tmo tmp tmr tms tmt tmu to- toa toc tod toe tom too top tor tos tot tou tpa tpc tpd tpe tpm tpo tpp tpr tps tpt tpu tra trc trd tre trm tro trp trr trs trt tru tsa tsc tsd tse tsm tso tsp tsr tss tst tsu tta ttc ttd tte ttm tto ttp ttr tts ttt ttu tua tuc tud tue tum tuo tup tur tus tut tuu ua- uaa uac uad uae uam uao uap uar uas uat uau uca ucc ucd uce ucm uco ucp ucr ucs uct ucu uda udc udd ude udm udo udp udr uds udt udu uea uec ued uee uem uep uer ues uet um- uma umc umd ume umm umo ump umr ums umt umu uoa uoc uod uoe uom uoo uop uor uos uot up- upa upc upd upe upm upo upp upr ups upt upu ur- ura urc urd ure urm uro urp urr urs urt uru usa usc usd use usm uso usp usr uss ust usu uta utc utd ute utm uto utp utr uts utt utu uua uuc uue uum uur uus uut uuu