bbb bbe bbi bbk bbm bbn be- beb bee bei bek bem ben bi- bib bie bii bik bim bin bkb bke bkk bkm bkn bmb bme bmi bmk bmm bmn bnb bne bni bnk bnn ebb ebe ebi ebk ebm ebn eeb eee eek eem een eib eie eii eik eim ein ekb eke eki em- emb eme emi emk emm emn en- enb ene eni enk enm enn ibb ibe ibi ibk ibm ibn ie- iee iei iek iem ien iib iie iii iim iin ikb ike iki ikk im- imb ime imi imm imn in- inb ine ini ink inm inn kbb kbe kbi kbk kbm kbn ke- keb kee kei kek kem ken kib kie kii kik kim kin kkb kke kki kkk kkm kkn kmb kme kmi kmk kmm kn- kne kni knk knm knn mbb mbe mbi mbk mbm meb mee mei mek mem men mi- mib mie mii mik mim min mkb mke mkk mkm mkn mmb mme mmi mmk mmm mmn mnb mne mni mnk mnm mnn n-i nbb nbe nbi nbk nbm nbn ne- neb nee nei nek nem nen nib nie nii nik nim nin nke nki nkk nkm nkn nmb nme nmi nmk nmm nmn nnb nne nni nnk nnm nnn