sas sat sau sba sbb sbc sbd sbh sbi sbl sbo sbs sbt sbu sca scb scc scd sch sci scl sco scs sct scu sda sdb sdc sdd sdh sdi sdl sdo sds sdt sdu sh- sha shb shc shd shh shi shl sho shs sht shu sia sib sic sid sih sii sil sio sis sit siu sla slb slc sld slh sli sll slo sls slt slu soa sob soc sod soh soi sol soo sos sot sou ss- ssa ssb ssc ssd ssh ssi ssl sso sss sst ssu sta stb stc std sth sti stl sto sts stt stu sua sub suc sud suh sui sul suo sus sut suu taa tab tac tad tah tai tal tao tas tat tau tba tbb tbc tbd tbh tbi tbl tbo tbs tbt tbu tca tcb tcc tcd tch tci tcl tco tcs tct tcu tda tdb tdc tdd tdh tdi tdl tdo tds tdt tdu th- tha thb thc thd thh thi thl tho ths tht thu tia tib tic tid tih tii til tio tis tit tiu tla tlc tld tlh tli tll tlo tls tlt tlu to- toa tob toc tod toh toi tol too tos tot tou tsa tsb tsc tsd tsh tsi tsl tso tss tst tsu tta ttb ttc ttd tth tti ttl tto tts ttt ttu tua tub tuc tud tuh tui tul tuo tus tut tuu ua- uaa uab uac uad uah uai ual uao uas uat uau uba ubb ubc ubh ubi ubl ubo ubs ubt ubu uca ucb ucc ucd uch uci ucl uco ucs uct ucu uda udb udc udd udi udl udo uds udt udu uha uhb uhc uhd uhh uhi uhl uho uhs uht uhu uia uib uic uid uii uil uio uis uit uiu ula ulb ulc uld uli ull ulo uls ult ulu uoa uob uoc uod uol uoo uos uot usa usb usc usd ush usi usl uso uss ust usu uta utb utc utd uth uti utl uto uts utt utu uua uuc uus uut uuu