-ol b-p bbb bbe bbg bbi bbl bbo bbp bbs be- beb bee beg bei bel beo bep bes bgb bge bgg bgi bgl bgo bgp bgs bi- bib bie big bii bil bio bip bis blb ble blg bli bll blo blp bls bob boe bog boi bol boo bop bos bpb bpe bpg bpi bpl bpo bpp bps bsb bse bsg bsi bsl bso bsp bss ebb ebe ebg ebi ebl ebo ebp ebs eeb eee eeg eel eeo eep ees egb ege egg egi egl ego egp egs eib eie eig eii eil eio eip eis elb ele elg eli ell elo elp els eo- eob eoe eog eoi eol eoo eop eos ep- epb epe epg epi epl epo epp eps es- esb ese esg esi esl eso esp ess g-p gbe gbg gbi gbl gbo gbp gbs ge- geb gee geg gei gel geo gep ges ggb ggg ggi ggo ggp ggs gib gie gig gii gil gio gip gis glb gle glg gli gll glo glp gls gob goe gog goi gol goo gop gos gpb gpe gpg gpi gpl gpo gpp gps gsb gse gsg gsi gsl gso gsp gss ibb ibe ibg ibi ibl ibo ibp ibs ie- iee ieg iei iel iep ies igb ige igg igi igl igo igp igs iib iie iii iil iio iip iis il- ilb ile ilg ili ill ilo ilp ils io- iob ioe iog ioi iol ioo iop ios ipb ipe ipg ipi ipl ipo ipp ips is- isb ise isg isi isl iso isp iss l-p lbb lbe lbg lbi lbl lbo lbp lbs leb lee leg lei lel leo lep les lgb lge lgg lgi lgl lgo lgp lgs lib lie lig lii lil lio lip lis llb lle llg lli lll llo llp lls lob loe log loi lol loo lop los lpb lpe lpg lpi lpl lpo lpp lps lsb lse lsg lsi lsl lso lsp lss o-i ob- obb obe obg obi obl obo obp obs oeb oee oeg oei oel oeo oep oes oge ogg ogi ogl ogo ogp ogs oib oie oii oil oio oip ois olb ole olg oli oll olo olp ols oo- oob oog ooi ool ooo oop oos op- opb ope opg opi opl opo opp ops os- osb ose osg osi osl oso osp oss p-p pbb pbe pbg pbi pbl pbo pbp pbs peb pee peg pei pel peo pep pes pgb pge pgg pgi pgl pgo pgp pgs pib pie pig pii pil pio pip pis plb ple plg pli pll plo plp pls pob poe pog poi pol poo pop pos ppb ppe ppg ppi ppl ppo ppp pps ps- psb pse psg psi psl pso psp pss sbb sbe sbg sbi sbl sbo sbp sbs se- seb see seg sei sel seo sep ses sgb sge sgg sgi sgl sgo sgp sgs sib sie sig sii sil sio sip sis slb sle slg sli sll slo slp sls sob soe sog soi sol soo sop sos spb spe spg spi spl spo spp sps ss- ssb sse ssg ssi ssl sso ssp sss