sec sed see seg sel sen seo sep ses set seu sgc sgd sge sgg sgl sgn sgo sgp sgs sgt sgu slc sld sle slg sll sln slo slp sls slt slu snc snd sne sng snl snn sno snp sns snt snu soc sod soe sog sol son soo sop sos sot sou spc spd spe spg spl spn spo spp sps spt spu ss- ssc ssd sse ssg ssl ssn sso ssp sss sst ssu stc std ste stg stl stn sto stp sts stt stu suc sud sue sug sul sun suo sup sus sut suu tcc tcd tce tcg tcl tcn tco tcp tcs tct tcu tdc tdd tde tdg tdl tdn tdo tdp tds tdt tdu te- tec ted tee teg tel ten teo tep tes tet teu tgc tge tgg tgl tgn tgo tgp tgs tgt tgu tlc tld tle tlg tll tln tlo tlp tls tlt tlu tnc tnd tne tng tnl tnn tno tnp tns tnt to- toc tod toe tog tol ton too top tos tot tou tpc tpd tpe tpg tpl tpn tpo tpp tps tpt tpu tsc tsd tse tsg tsl tsn tso tsp tss tst tsu ttc ttd tte ttg ttl ttn tto ttp tts ttt ttu tuc tud tue tug tul tun tuo tup tus tut tuu ucc ucd uce ucg ucl ucn uco ucp ucs uct ucu udc udd ude udg udl udn udo udp uds udt udu uec ued uee ueg uel uen uep ues uet ugc uge ugg ugl ugn ugo ugp ugs ugt ugu ulc uld ule ulg ull uln ulo ulp uls ult ulu un- unc und une ung unl unn uno unp uns unt unu uoc uod uoe uog uol uon uoo uop uos uot up- upc upd upe upg upn upo upp ups upt upu usc usd use usg usl usn uso usp uss ust usu utc utd ute utl utn uto utp uts utt utu uuc uue uug uun uus uut uuu