-ol bbb bbe bbg bbi bbl bbn bbo bbs be- beb bee beg bei bel ben beo bes bgb bge bgg bgi bgl bgn bgo bgs bi- bib bie big bii bil bin bio bis blb ble blg bli bll bln blo bls bnb bne bng bni bnl bnn bno bns bob boe bog boi bol bon boo bos bsb bse bsg bsi bsl bsn bso bss ebb ebe ebg ebi ebl ebn ebo ebs eeb eee eeg eel een eeo ees egb ege egg egi egl egn ego egs eib eie eig eii eil ein eio eis elb ele elg eli ell eln elo els en- enb ene eng eni enl enn eno ens eo- eob eoe eog eoi eol eon eoo eos es- esb ese esg esi esl esn eso ess gbe gbg gbi gbl gbn gbo gbs ge- geb gee geg gei gel gen geo ges ggb ggg ggi ggn ggo ggs gib gie gig gii gil gin gio gis glb gle glg gli gll gln glo gls gnb gne gni gnl gnn gno gns gob goe gog goi gol gon goo gos gsb gse gsg gsi gsl gsn gso gss ibb ibe ibg ibi ibl ibn ibo ibs ie- iee ieg iei iel ien ies igb ige igg igi igl ign igo igs iib iie iii iil iin iio iis il- ilb ile ilg ili ill iln ilo ils in- inb ine ing ini inl inn ino ins io- iob ioe iog ioi iol ion ioo ios is- isb ise isg isi isl isn iso iss lbb lbe lbg lbi lbl lbo lbs leb lee leg lei lel len leo les lgb lge lgg lgi lgl lgn lgo lgs lib lie lig lii lil lin lio lis llb lle llg lli lll lln llo lls lnb lne lng lni lnl lnn lno lns lob loe log loi lol lon loo los lsb lse lsg lsi lsl lsn lso lss n-i nbb nbe nbg nbi nbl nbn nbo nbs ne- neb nee neg nei nel nen neo nes ngb nge ngg ngi ngl ngn ngo ngs nib nie nig nii nil nin nio nis nlb nle nlg nli nll nln nlo nls nnb nne nng nni nnl nnn nno nns no- nob noe nog noi nol non noo nos nsb nse nsg nsi nsl nsn nso nss o-i ob- obb obe obg obi obl obn obo obs oeb oee oeg oei oel oen oeo oes oge ogg ogi ogl ogn ogo ogs oib oie oii oil oin oio ois olb ole olg oli oll oln olo ols on- onb one ong oni onl onn ono ons oo- oob oog ooi ool oon ooo oos os- osb ose osg osi osl osn oso oss sbb sbe sbg sbi sbl sbn sbo sbs se- seb see seg sei sel sen seo ses sgb sge sgg sgi sgl sgn sgo sgs sib sie sig sii sil sin sio sis slb sle slg sli sll sln slo sls snb sne sng sni snl snn sno sns sob soe sog soi sol son soo sos ss- ssb sse ssg ssi ssl ssn sso sss