sba sbb sbc sbe sbi sbl sbm sbr sbs sbt sbu sca scb scc sce sci scl scm scr scs sct scu se- sea seb sec see sei sel sem ser ses set seu sia sib sic sie sii sil sim sir sis sit siu sla slb slc sle sli sll slm slr sls slt slu sma smb smc sme smi sml smm smr sms smt smu sr- sra srb src sre sri srl srm srr srs srt ss- ssa ssb ssc sse ssi ssl ssm ssr sss sst ssu sta stb stc ste sti stl stm str sts stt stu sua sub suc sue sui sul sum sur sus sut suu taa tab tac tae tai tal tam tar tas tat tau tba tbb tbc tbe tbi tbl tbm tbr tbs tbt tbu tca tcb tcc tce tci tcl tcm tcr tcs tct tcu te- tea teb tec tee tei tel tem ter tes tet teu tia tib tic tie tii til tim tir tis tit tiu tla tlc tle tli tll tlm tlr tls tlt tlu tma tmb tmc tme tmi tml tmm tmr tms tmt tmu tra trb trc tre tri trl trm trr trs trt tru tsa tsb tsc tse tsi tsl tsm tsr tss tst tsu tta ttb ttc tte tti ttl ttm ttr tts ttt ttu tua tub tuc tue tui tul tum tur tus tut tuu ua- uaa uab uac uae uai ual uam uar uas uat uau uba ubb ubc ube ubi ubl ubr ubs ubt ubu uca ucb ucc uce uci ucl ucm ucr ucs uct ucu uea ueb uec uee uei uel uem uer ues uet uia uib uic uie uii uil uim uir uis uit uiu ula ulb ulc ule uli ull ulm ulr uls ult ulu um- uma umb umc ume umi uml umm umr ums umt umu ur- ura urb urc ure uri url urm urr urs urt uru usa usb usc use usi usl usm usr uss ust usu uta utb utc ute uti utl utm utr uts utt utu uua uuc uue uum uur uus uut uuu