bbb bbe bbi bbk bbm bbs bbt be- beb bee bei bek bem bes bet bi- bib bie bii bik bim bis bit bkb bke bkk bkm bks bkt bmb bme bmi bmk bmm bms bmt bsb bse bsi bsk bsm bss bst btb bte bti btk btm bts btt ebb ebe ebi ebk ebm ebs ebt eeb eee eek eem ees eet eib eie eii eik eim eis eit ekb eke eki eks ekt em- emb eme emi emk emm ems emt es- esb ese esi esk esm ess est etb ete eti etk etm ets ett ibb ibe ibi ibk ibm ibs ibt ie- iee iei iek iem ies iet iib iie iii iim iis iit ikb ike iki ikk iks ikt im- imb ime imi imm ims imt is- isb ise isi isk ism iss ist itb ite iti itk itm its itt k-t kbb kbe kbi kbk kbm kbs ke- keb kee kei kek kem kes ket kib kie kii kik kim kis kit kkb kke kki kkk kkm kks kkt kmb kme kmi kmk kmm kms kmt ksb kse ksi ksk ksm kss kst ktb kte ktk ktm kts ktt mbb mbe mbi mbk mbm mbs mbt meb mee mei mek mem mes met mi- mib mie mii mik mim mis mit mkb mke mkk mkm mks mkt mmb mme mmi mmk mmm mms mmt msb mse msi msk msm mss mst mtb mte mti mtk mtm mts mtt sbb sbe sbi sbk sbm sbs sbt se- seb see sei sek sem ses set sib sie sii sik sim sis sit sk- skb ske ski skk skm sks skt smb sme smi smk smm sms smt ss- ssb sse ssi ssk ssm sss sst stb ste sti stk stm sts stt tbb tbe tbi tbk tbm tbs tbt te- teb tee tei tek tem tes tet tib tie tii tik tim tis tit tkb tke tkk tkm tks tkt tmb tme tmi tmk tmm tms tmt tsb tse tsi tsk tsm tss tst ttb tte tti ttk ttm tts ttt