sgp sgr sgs sgt sgu sic sie sig sii sim sio sip sir sis sit siu smc sme smg smi smm smo smp smr sms smt smu soc soe sog soi som soo sop sor sos sot sou spc spe spg spi spm spo spp spr sps spt spu sr- src sre srg sri srm sro srp srr srs srt ss- ssc sse ssg ssi ssm sso ssp ssr sss sst ssu stc ste stg sti stm sto stp str sts stt stu suc sue sug sui sum suo sup sur sus sut suu tcc tce tcg tci tcm tco tcp tcr tcs tct tcu te- tec tee teg tei tem teo tep ter tes tet teu tgc tge tgg tgi tgm tgo tgp tgr tgs tgt tgu tic tie tig tii tim tio tip tir tis tit tiu tmc tme tmg tmi tmm tmo tmp tmr tms tmt tmu to- toc toe tog toi tom too top tor tos tot tou tpc tpe tpg tpi tpm tpo tpp tpr tps tpt tpu trc tre trg tri trm tro trp trr trs trt tru tsc tse tsg tsi tsm tso tsp tsr tss tst tsu ttc tte ttg tti ttm tto ttp ttr tts ttt ttu tuc tue tug tui tum tuo tup tur tus tut tuu ucc uce ucg uci ucm uco ucp ucr ucs uct ucu uec uee ueg uei uem uep uer ues uet ugc uge ugg ugi ugm ugo ugp ugr ugs ugt ugu uic uie uig uii uim uio uip uir uis uit uiu um- umc ume umg umi umm umo ump umr ums umt umu uoc uoe uog uom uoo uop uor uos uot up- upc upe upg upi upm upo upp upr ups upt upu ur- urc ure urg uri urm uro urp urr urs urt uru usc use usg usi usm uso usp usr uss ust usu utc ute uti utm uto utp utr uts utt utu uuc uue uug uum uur uus uut uuu