-ol b-u bbb bbi bbl bbm bbn bbo bbr bbu bi- bib bii bil bim bin bio bir biu blb bli bll blm bln blo blr blu bmb bmi bml bmm bmn bmo bmr bmu bnb bni bnl bnn bno bnr bnu bob boi bol bom bon boo bor bou brb bri brl brm brn bro brr bru bub bui bul bum bun buo bur buu ibb ibi ibl ibm ibn ibo ibr ibu iib iii iil iim iin iio iir iiu il- ilb ili ill ilm iln ilo ilr ilu im- imb imi iml imm imn imo imu in- inb ini inl inm inn ino inr inu io- iob ioi iol iom ion ioo ior iou ir- irb iri irl irm irn iro irr iru iu- iub iui ium iur lbb lbi lbl lbm lbo lbr lbu lib lii lil lim lin lio lir liu llb lli lll llm lln llo llr llu lmb lmi lml lmm lmn lmo lmr lmu lnb lni lnl lnm lnn lno lnr lnu lob loi lol lom lon loo lor lou lrb lri lrm lrn lro lrr lru lub lui lul lum lun luo lur luu m-o m-r mbb mbi mbl mbm mbo mbr mbu mi- mib mii mil mim min mio mir miu mlb mli mll mlm mln mlo mlr mlu mmb mmi mml mmm mmn mmo mmr mmu mnb mni mnl mnm mnn mno mnr mnu mob moi mol mom mon moo mor mou mrb mri mrl mrm mrn mro mrr mru mub mui mul mum mun mur muu n-i nbb nbi nbl nbm nbn nbo nbr nbu nib nii nil nim nin nio nir niu nlb nli nll nlm nln nlo nlr nlu nmb nmi nml nmm nmn nmo nmr nmu nnb nni nnl nnm nnn nno nnu no- nob noi nol nom non noo nor nou nrb nri nrl nrm nrn nro nrr nru nub nui nul num nun nuo nur nuu o-i ob- obb obi obl obm obn obo obr obu oib oii oil oim oin oio oir oiu olb oli oll olm oln olo olu om- omb omi oml omm omn omo omr omu on- onb oni onl onn ono onr onu oo- oob ooi ool oom oon ooo oor or- orb ori orl orm orn oro orr oru ou- oui oul oum oun ouo our rbb rbi rbl rbm rbn rbo rbr rbu rib rii ril rim rin rio rir rli rll rlm rln rlo rlr rlu rmb rmi rml rmm rmn rmo rmr rnb rni rnm rnn rno rnr rnu rob roi rol rom ron roo ror rou rrb rri rrl rrm rrn rrr rru rub rui rum run ruo rur ruu ubb ubi ubl ubn ubo ubr ubu uib uii uil uim uin uio uir uiu ulb uli ull ulm uln ulo ulr ulu um- umb umi uml umm umn umo umr umu un- unb uni unl unm unn uno unr unu uob uol uom uon uoo uor ur- urb uri url urm urn uro urr uru uum uun uur uuu