sas sat sau sba sbb sbc sbd sbh sbi sbm sbo sbs sbt sbu sca scb scc scd sch sci scm sco scs sct scu sda sdb sdc sdd sdh sdi sdm sdo sds sdt sdu sh- sha shb shc shd shh shi shm sho shs sht shu sia sib sic sid sih sii sim sio sis sit siu sma smb smc smd smh smi smm smo sms smt smu soa sob soc sod soh soi som soo sos sot sou ss- ssa ssb ssc ssd ssh ssi ssm sso sss sst ssu sta stb stc std sth sti stm sto sts stt stu sua sub suc sud suh sui sum suo sus sut suu taa tab tac tad tah tai tam tao tas tat tau tba tbb tbc tbd tbh tbi tbm tbo tbs tbt tbu tca tcb tcc tcd tch tci tcm tco tcs tct tcu tda tdb tdc tdd tdh tdi tdm tdo tds tdt tdu th- tha thb thc thd thh thi thm tho ths tht thu tia tib tic tid tih tii tim tio tis tit tiu tma tmb tmc tmd tmh tmi tmm tmo tms tmt tmu to- toa tob toc tod toh toi tom too tos tot tou tsa tsb tsc tsd tsh tsi tsm tso tss tst tsu tta ttb ttc ttd tth tti ttm tto tts ttt ttu tua tub tuc tud tuh tui tum tuo tus tut tuu ua- uaa uab uac uad uah uai uam uao uas uat uau uba ubb ubc ubh ubi ubo ubs ubt ubu uca ucb ucc ucd uch uci ucm uco ucs uct ucu uda udb udc udd udi udm udo uds udt udu uha uhb uhc uhd uhh uhi uhm uho uhs uht uhu uia uib uic uid uii uim uio uis uit uiu um- uma umb umc umd umh umi umm umo ums umt umu uoa uob uoc uod uom uoo uos uot usa usb usc usd ush usi usm uso uss ust usu uta utb utc utd uth uti utm uto uts utt utu uua uuc uum uus uut uuu