bbb bbe bbi bbm bbn bbs bbt be- beb bee bei bem ben bes bet bi- bib bie bii bim bin bis bit bmb bme bmi bmm bmn bms bmt bnb bne bni bnn bns bnt bsb bse bsi bsm bsn bss bst btb bte bti btm btn bts btt ebb ebe ebi ebm ebn ebs ebt eeb eee eem een ees eet eib eie eii eim ein eis eit em- emb eme emi emm emn ems emt en- enb ene eni enm enn ens ent es- esb ese esi esm esn ess est etb ete eti etm etn ets ett ibb ibe ibi ibm ibn ibs ibt ie- iee iei iem ien ies iet iib iie iii iim iin iis iit im- imb ime imi imm imn ims imt in- inb ine ini inm inn ins int is- isb ise isi ism isn iss ist itb ite iti itm itn its itt mbb mbe mbi mbm mbs mbt meb mee mei mem men mes met mi- mib mie mii mim min mis mit mmb mme mmi mmm mmn mms mmt mnb mne mni mnm mnn mns mnt msb mse msi msm msn mss mst mtb mte mti mtm mtn mts mtt n-i nbb nbe nbi nbm nbn nbs nbt ne- neb nee nei nem nen nes net nib nie nii nim nin nis nit nmb nme nmi nmm nmn nms nmt nnb nne nni nnm nnn nns nnt nsb nse nsi nsm nsn nss nst ntb nte nti ntm ntn nts ntt sbb sbe sbi sbm sbn sbs sbt se- seb see sei sem sen ses set sib sie sii sim sin sis sit smb sme smi smm smn sms smt snb sne sni snm snn sns snt ss- ssb sse ssi ssm ssn sss sst stb ste sti stm stn sts stt tbb tbe tbi tbm tbn tbs tbt te- teb tee tei tem ten tes tet tib tie tii tim tin tis tit tmb tme tmi tmm tmn tms tmt tnb tne tni tnm tnn tns tnt tsb tse tsi tsm tsn tss tst ttb tte tti ttm ttn tts ttt