bbb bbe bbi bbk bbm bbn bbo be- beb bee bei bek bem ben beo bi- bib bie bii bik bim bin bio bkb bke bkk bkm bkn bko bmb bme bmi bmk bmm bmn bmo bnb bne bni bnk bnn bno bob boe boi bok bom bon boo ebb ebe ebi ebk ebm ebn ebo eeb eee eek eem een eeo eib eie eii eik eim ein eio ekb eke eki eko em- emb eme emi emk emm emn emo en- enb ene eni enk enm enn eno eo- eob eoe eoi eok eom eon eoo ibb ibe ibi ibk ibm ibn ibo ie- iee iei iek iem ien iib iie iii iim iin iio ikb ike iki ikk iko im- imb ime imi imm imn imo in- inb ine ini ink inm inn ino io- iob ioe ioi iom ion ioo kbb kbe kbi kbk kbm kbn kbo ke- keb kee kei kek kem ken keo kib kie kii kik kim kin kio kkb kke kki kkk kkm kkn kmb kme kmi kmk kmm kmo kn- kne kni knk knm knn kno kob koe koi kok kom kon koo m-o mbb mbe mbi mbk mbm mbo meb mee mei mek mem men meo mi- mib mie mii mik mim min mio mkb mke mkk mkm mkn mko mmb mme mmi mmk mmm mmn mmo mnb mne mni mnk mnm mnn mno mob moe moi mok mom mon moo n-i nbb nbe nbi nbk nbm nbn nbo ne- neb nee nei nek nem nen neo nib nie nii nik nim nin nio nke nki nkk nkm nkn nko nmb nme nmi nmk nmm nmn nmo nnb nne nni nnk nnm nnn nno no- nob noe noi nok nom non noo o-i ob- obb obe obi obk obm obn obo oeb oee oei oem oen oeo oib oie oii oik oim oin oio okb oke oki okk oko om- omb ome omi omm omn omo on- onb one oni onk onn ono oo- oob ooi ook oom oon ooo