-ey b-u bbb bbe bbm bbs bbt bbu bby be- beb bee bem bes bet beu bey bmb bme bmm bms bmt bmu bsb bse bsm bss bst bsu bsy btb bte btm bts btt btu bty bub bue bum bus but buu buy by- bye bym bys byt byu ebb ebe ebm ebs ebt ebu eby eeb eee eem ees eet eey em- emb eme emm ems emt emu es- esb ese esm ess est esu esy etb ete etm ets ett etu ety eu- eub eue eus eut eye eym eys eyt mbb mbe mbm mbs mbt mbu meb mee mem mes met meu mey mmb mme mmm mms mmt mmu msb mse msm mss mst msu msy mtb mte mtm mts mtt mtu mub mue mum mus mut muu muy my- myb mye mym mys myt myu sbb sbe sbm sbs sbt sbu sby se- seb see sem ses set seu sey smb sme smm sms smt smu smy ss- ssb sse ssm sss sst ssu stb ste stm sts stt stu sty sub sue sum sus sut suu suy sy- syb sye sym sys syt syu tbb tbe tbm tbs tbt tbu te- teb tee tem tes tet teu tey tmb tme tmm tms tmt tmu tmy tsb tse tsm tss tst tsu tsy ttb tte ttm tts ttt ttu tty tub tue tum tus tut tuu tuy tye tym tys tyt ubb ube ubs ubt ubu uby ueb uee uem ues uet uey um- umb ume umm ums umt umu usb use usm uss ust usu utb ute utm uts utt utu uty uue uum uus uut uuu uys uyu ybe ybm ybs yby yeb yee yem yes yet yey yme ymm yms ymt ysb yse ysm yss yst ysu ysy yte ytm yts ytt ytu yue yum yus yut yuu yuy yyb yye yys yyt yyu yyy