-ol bbb bbe bbg bbi bbl bbo bbs be- beb bee beg bei bel beo bes bgb bge bgg bgi bgl bgo bgs bi- bib bie big bii bil bio bis blb ble blg bli bll blo bls bob boe bog boi bol boo bos bsb bse bsg bsi bsl bso bss ebb ebe ebg ebi ebl ebo ebs eeb eee eeg eel eeo ees egb ege egg egi egl ego egs eib eie eig eii eil eio eis elb ele elg eli ell elo els eo- eob eoe eog eoi eol eoo eos es- esb ese esg esi esl eso ess gbe gbg gbi gbl gbo gbs ge- geb gee geg gei gel geo ges ggb ggg ggi ggo ggs gib gie gig gii gil gio gis glb gle glg gli gll glo gls gob goe gog goi gol goo gos gsb gse gsg gsi gsl gso gss ibb ibe ibg ibi ibl ibo ibs ie- iee ieg iei iel ies igb ige igg igi igl igo igs iib iie iii iil iio iis il- ilb ile ilg ili ill ilo ils io- iob ioe iog ioi iol ioo ios is- isb ise isg isi isl iso iss lbb lbe lbg lbi lbl lbo lbs leb lee leg lei lel leo les lgb lge lgg lgi lgl lgo lgs lib lie lig lii lil lio lis llb lle llg lli lll llo lls lob loe log loi lol loo los lsb lse lsg lsi lsl lso lss o-i ob- obb obe obg obi obl obo obs oeb oee oeg oei oel oeo oes oge ogg ogi ogl ogo ogs oib oie oii oil oio ois olb ole olg oli oll olo ols oo- oob oog ooi ool ooo oos os- osb ose osg osi osl oso oss sbb sbe sbg sbi sbl sbo sbs se- seb see seg sei sel seo ses sgb sge sgg sgi sgl sgo sgs sib sie sig sii sil sio sis slb sle slg sli sll slo sls sob soe sog soi sol soo sos ss- ssb sse ssg ssi ssl sso sss