bbb bbe bbi bbm bbn bbo be- beb bee bei bem ben beo bi- bib bie bii bim bin bio bmb bme bmi bmm bmn bmo bnb bne bni bnn bno bob boe boi bom bon boo ebb ebe ebi ebm ebn ebo eeb eee eem een eeo eib eie eii eim ein eio em- emb eme emi emm emn emo en- enb ene eni enm enn eno eo- eob eoe eoi eom eon eoo ibb ibe ibi ibm ibn ibo ie- iee iei iem ien iib iie iii iim iin iio im- imb ime imi imm imn imo in- inb ine ini inm inn ino io- iob ioe ioi iom ion ioo m-o mbb mbe mbi mbm mbo meb mee mei mem men meo mi- mib mie mii mim min mio mmb mme mmi mmm mmn mmo mnb mne mni mnm mnn mno mob moe moi mom mon moo n-i nbb nbe nbi nbm nbn nbo ne- neb nee nei nem nen neo nib nie nii nim nin nio nmb nme nmi nmm nmn nmo nnb nne nni nnm nnn nno no- nob noe noi nom non noo o-i ob- obb obe obi obm obn obo oeb oee oei oem oen oeo oib oie oii oim oin oio om- omb ome omi omm omn omo on- onb one oni onn ono oo- oob ooi oom oon ooo