bbb bbe bbi bbm bbn be- beb bee bei bem ben bez bi- bib bie bii bim bin biz bmb bme bmi bmm bmn bmz bnb bne bni bnn bnz bze bzn bzz ebb ebe ebi ebm ebn eeb eee eem een eib eie eii eim ein em- emb eme emi emm emn en- enb ene eni enm enn enz eze ezz ibb ibe ibi ibm ibn ibz ie- iee iei iem ien iib iie iii iim iin im- imb ime imi imm imn imz in- inb ine ini inm inn ize izi izm izz mbb mbe mbi mbm meb mee mei mem men mez mi- mib mie mii mim min miz mmb mme mmi mmm mmn mmz mnb mne mni mnm mnn mnz mzb mzi mzm mzn n-i nbb nbe nbi nbm nbn ne- neb nee nei nem nen nez nib nie nii nim nin niz nmb nme nmi nmm nmn nmz nnb nne nni nnm nnn nnz nzb nze nzi nzz zbb zbm zeb zee zem zen zez zib zie zim zin ziz zmb zmm zne znn zzz