sbe sbl sbm sbo sbr sbs sbt sbu sca scb scc sce scl scm sco scr scs sct scu se- sea seb sec see sel sem seo ser ses set seu sla slb slc sle sll slm slo slr sls slt slu sma smb smc sme sml smm smo smr sms smt smu soa sob soc soe sol som soo sor sos sot sou sr- sra srb src sre srl srm sro srr srs srt ss- ssa ssb ssc sse ssl ssm sso ssr sss sst ssu sta stb stc ste stl stm sto str sts stt stu sua sub suc sue sul sum suo sur sus sut suu taa tab tac tae tal tam tao tar tas tat tau tba tbb tbc tbe tbl tbm tbo tbr tbs tbt tbu tca tcb tcc tce tcl tcm tco tcr tcs tct tcu te- tea teb tec tee tel tem teo ter tes tet teu tla tlc tle tll tlm tlo tlr tls tlt tlu tma tmb tmc tme tml tmm tmo tmr tms tmt tmu to- toa tob toc toe tol tom too tor tos tot tou tra trb trc tre trl trm tro trr trs trt tru tsa tsb tsc tse tsl tsm tso tsr tss tst tsu tta ttb ttc tte ttl ttm tto ttr tts ttt ttu tua tub tuc tue tul tum tuo tur tus tut tuu ua- uaa uab uac uae ual uam uao uar uas uat uau uba ubb ubc ube ubl ubo ubr ubs ubt ubu uca ucb ucc uce ucl ucm uco ucr ucs uct ucu uea ueb uec uee uel uem uer ues uet ula ulb ulc ule ull ulm ulo ulr uls ult ulu um- uma umb umc ume uml umm umo umr ums umt umu uoa uob uoc uoe uol uom uoo uor uos uot ur- ura urb urc ure url urm uro urr urs urt uru usa usb usc use usl usm uso usr uss ust usu uta utb utc ute utl utm uto utr uts utt utu uua uuc uue uum uur uus uut uuu