sbi sbl sbo sbr sbs sbt sbu sca scb scc sch sci scl sco scr scs sct scu sh- sha shb shc shh shi shl sho shr shs sht shu sia sib sic sih sii sil sio sir sis sit siu sla slb slc slh sli sll slo slr sls slt slu soa sob soc soh soi sol soo sor sos sot sou sr- sra srb src srh sri srl sro srr srs srt ss- ssa ssb ssc ssh ssi ssl sso ssr sss sst ssu sta stb stc sth sti stl sto str sts stt stu sua sub suc suh sui sul suo sur sus sut suu taa tab tac tah tai tal tao tar tas tat tau tba tbb tbc tbh tbi tbl tbo tbr tbs tbt tbu tca tcb tcc tch tci tcl tco tcr tcs tct tcu th- tha thb thc thh thi thl tho thr ths tht thu tia tib tic tih tii til tio tir tis tit tiu tla tlc tlh tli tll tlo tlr tls tlt tlu to- toa tob toc toh toi tol too tor tos tot tou tra trb trc trh tri trl tro trr trs trt tru tsa tsb tsc tsh tsi tsl tso tsr tss tst tsu tta ttb ttc tth tti ttl tto ttr tts ttt ttu tua tub tuc tuh tui tul tuo tur tus tut tuu ua- uaa uab uac uah uai ual uao uar uas uat uau uba ubb ubc ubh ubi ubl ubo ubr ubs ubt ubu uca ucb ucc uch uci ucl uco ucr ucs uct ucu uha uhb uhc uhh uhi uhl uho uhr uhs uht uhu uia uib uic uii uil uio uir uis uit uiu ula ulb ulc uli ull ulo ulr uls ult ulu uoa uob uoc uol uoo uor uos uot ur- ura urb urc uri url uro urr urs urt uru usa usb usc ush usi usl uso usr uss ust usu uta utb utc uth uti utl uto utr uts utt utu uua uuc uur uus uut uuu