-ol bbb bbg bbi bbl bbm bbn bbo bbs bgb bgg bgi bgl bgm bgn bgo bgs bi- bib big bii bil bim bin bio bis blb blg bli bll blm bln blo bls bmb bmg bmi bml bmm bmn bmo bms bnb bng bni bnl bnn bno bns bob bog boi bol bom bon boo bos bsb bsg bsi bsl bsm bsn bso bss gbg gbi gbl gbm gbn gbo gbs ggb ggg ggi ggm ggn ggo ggs gib gig gii gil gim gin gio gis glb glg gli gll glm gln glo gls gmb gmg gmi gml gmm gmn gmo gms gnb gni gnl gnm gnn gno gns gob gog goi gol gom gon goo gos gsb gsg gsi gsl gsm gsn gso gss ibb ibg ibi ibl ibm ibn ibo ibs igb igg igi igl igm ign igo igs iib iii iil iim iin iio iis il- ilb ilg ili ill ilm iln ilo ils im- imb img imi iml imm imn imo ims in- inb ing ini inl inm inn ino ins io- iob iog ioi iol iom ion ioo ios is- isb isg isi isl ism isn iso iss lbb lbg lbi lbl lbm lbo lbs lgb lgg lgi lgl lgm lgn lgo lgs lib lig lii lil lim lin lio lis llb llg lli lll llm lln llo lls lmb lmg lmi lml lmm lmn lmo lms lnb lng lni lnl lnm lnn lno lns lob log loi lol lom lon loo los lsb lsg lsi lsl lsm lsn lso lss m-o mbb mbg mbi mbl mbm mbo mbs mgb mgi mgl mgm mgn mgo mgs mi- mib mig mii mil mim min mio mis mlb mlg mli mll mlm mln mlo mls mmb mmg mmi mml mmm mmn mmo mms mnb mng mni mnl mnm mnn mno mns mob mog moi mol mom mon moo mos msb msg msi msl msm msn mso mss n-i nbb nbg nbi nbl nbm nbn nbo nbs ngb ngg ngi ngl ngm ngn ngo ngs nib nig nii nil nim nin nio nis nlb nlg nli nll nlm nln nlo nls nmb nmg nmi nml nmm nmn nmo nms nnb nng nni nnl nnm nnn nno nns no- nob nog noi nol nom non noo nos nsb nsg nsi nsl nsm nsn nso nss o-i ob- obb obg obi obl obm obn obo obs ogg ogi ogl ogn ogo ogs oib oii oil oim oin oio ois olb olg oli oll olm oln olo ols om- omb omg omi oml omm omn omo oms on- onb ong oni onl onn ono ons oo- oob oog ooi ool oom oon ooo oos os- osb osg osi osl osm osn oso oss sbb sbg sbi sbl sbm sbn sbo sbs sgb sgg sgi sgl sgm sgn sgo sgs sib sig sii sil sim sin sio sis slb slg sli sll slm sln slo sls smb smg smi sml smm smn smo sms snb sng sni snl snm snn sno sns sob sog soi sol som son soo sos ss- ssb ssg ssi ssl ssm ssn sso sss