sgg sgi sgl sgn sgr sgs sgt sgu sib sic sie sig sii sil sin sir sis sit siu slb slc sle slg sli sll sln slr sls slt slu snb snc sne sng sni snl snn snr sns snt snu sr- srb src sre srg sri srl srn srr srs srt ss- ssb ssc sse ssg ssi ssl ssn ssr sss sst ssu stb stc ste stg sti stl stn str sts stt stu sub suc sue sug sui sul sun sur sus sut suu tbb tbc tbe tbg tbi tbl tbn tbr tbs tbt tbu tcb tcc tce tcg tci tcl tcn tcr tcs tct tcu te- teb tec tee teg tei tel ten ter tes tet teu tgb tgc tge tgg tgi tgl tgn tgr tgs tgt tgu tib tic tie tig tii til tin tir tis tit tiu tlc tle tlg tli tll tln tlr tls tlt tlu tnb tnc tne tng tni tnl tnn tnr tns tnt trb trc tre trg tri trl trn trr trs trt tru tsb tsc tse tsg tsi tsl tsn tsr tss tst tsu ttb ttc tte ttg tti ttl ttn ttr tts ttt ttu tub tuc tue tug tui tul tun tur tus tut tuu ubb ubc ube ubg ubi ubl ubn ubr ubs ubt ubu ucb ucc uce ucg uci ucl ucn ucr ucs uct ucu ueb uec uee ueg uei uel uen uer ues uet ugb ugc uge ugg ugi ugl ugn ugr ugs ugt ugu uib uic uie uig uii uil uin uir uis uit uiu ulb ulc ule ulg uli ull uln ulr uls ult ulu un- unb unc une ung uni unl unn unr uns unt unu ur- urb urc ure urg uri url urn urr urs urt uru usb usc use usg usi usl usn usr uss ust usu utb utc ute uti utl utn utr uts utt utu uuc uue uug uun uur uus uut uuu