-ol bbb bbi bbk bbl bbm bbn bbo bi- bib bii bik bil bim bin bio bkb bkk bkl bkm bkn bko blb bli blk bll blm bln blo bmb bmi bmk bml bmm bmn bmo bnb bni bnk bnl bnn bno bob boi bok bol bom bon boo ibb ibi ibk ibl ibm ibn ibo iib iii iil iim iin iio ikb iki ikk ikl iko il- ilb ili ilk ill ilm iln ilo im- imb imi iml imm imn imo in- inb ini ink inl inm inn ino io- iob ioi iol iom ion ioo kbb kbi kbk kbl kbm kbn kbo kib kii kik kil kim kin kio kkb kki kkk kkl kkm kkn kl- klb kli klm klo kmb kmi kmk kml kmm kmo kn- kni knk knl knm knn kno kob koi kok kol kom kon koo lbb lbi lbk lbl lbm lbo lib lii lik lil lim lin lio lkb lkl llb lli llk lll llm lln llo lmb lmi lmk lml lmm lmn lmo lnb lni lnk lnl lnm lnn lno lob loi lok lol lom lon loo m-o mbb mbi mbk mbl mbm mbo mi- mib mii mik mil mim min mio mkb mkk mkl mkm mkn mko mlb mli mlk mll mlm mln mlo mmb mmi mmk mml mmm mmn mmo mnb mni mnk mnl mnm mnn mno mob moi mok mol mom mon moo n-i nbb nbi nbk nbl nbm nbn nbo nib nii nik nil nim nin nio nki nkk nkm nkn nko nlb nli nlk nll nlm nln nlo nmb nmi nmk nml nmm nmn nmo nnb nni nnk nnl nnm nnn nno no- nob noi nok nol nom non noo o-i ob- obb obi obk obl obm obn obo oib oii oik oil oim oin oio okb oki okk okl oko olb oli olk oll olm oln olo om- omb omi oml omm omn omo on- onb oni onk onl onn ono oo- oob ooi ook ool oom oon ooo