sat sau sca scc sce scm scn sco scp scr scs sct scu se- sea sec see sem sen seo sep ser ses set seu sma smc sme smm smn smo smp smr sms smt smu sna snc sne snm snn sno snp snr sns snt snu soa soc soe som son soo sop sor sos sot sou spa spc spe spm spn spo spp spr sps spt spu sr- sra src sre srm srn sro srp srr srs srt ss- ssa ssc sse ssm ssn sso ssp ssr sss sst ssu sta stc ste stm stn sto stp str sts stt stu sua suc sue sum sun suo sup sur sus sut suu taa tac tae tam tan tao tap tar tas tat tau tca tcc tce tcm tcn tco tcp tcr tcs tct tcu te- tea tec tee tem ten teo tep ter tes tet teu tma tmc tme tmm tmn tmo tmp tmr tms tmt tmu tna tnc tne tnm tnn tno tnp tnr tns tnt to- toa toc toe tom ton too top tor tos tot tou tpa tpc tpe tpm tpn tpo tpp tpr tps tpt tpu tra trc tre trm trn tro trp trr trs trt tru tsa tsc tse tsm tsn tso tsp tsr tss tst tsu tta ttc tte ttm ttn tto ttp ttr tts ttt ttu tua tuc tue tum tun tuo tup tur tus tut tuu ua- uaa uac uae uam uan uao uap uar uas uat uau uca ucc uce ucm ucn uco ucp ucr ucs uct ucu uea uec uee uem uen uep uer ues uet um- uma umc ume umm umn umo ump umr ums umt umu un- una unc une unm unn uno unp unr uns unt unu uoa uoc uoe uom uon uoo uop uor uos uot up- upa upc upe upm upn upo upp upr ups upt upu ur- ura urc ure urm urn uro urp urr urs urt uru usa usc use usm usn uso usp usr uss ust usu uta utc ute utm utn uto utp utr uts utt utu uua uuc uue uum uun uur uus uut uuu