-ol b-p bbb bbe bbg bbl bbn bbo bbp bbs be- beb bee beg bel ben beo bep bes bgb bge bgg bgl bgn bgo bgp bgs blb ble blg bll bln blo blp bls bnb bne bng bnl bnn bno bnp bns bob boe bog bol bon boo bop bos bpb bpe bpg bpl bpn bpo bpp bps bsb bse bsg bsl bsn bso bsp bss ebb ebe ebg ebl ebn ebo ebp ebs eeb eee eeg eel een eeo eep ees egb ege egg egl egn ego egp egs elb ele elg ell eln elo elp els en- enb ene eng enl enn eno enp ens eo- eob eoe eog eol eon eoo eop eos ep- epb epe epg epl epn epo epp eps es- esb ese esg esl esn eso esp ess g-p gbe gbg gbl gbn gbo gbp gbs ge- geb gee geg gel gen geo gep ges ggb ggg ggn ggo ggp ggs glb gle glg gll gln glo glp gls gnb gne gnl gnn gno gnp gns gob goe gog gol gon goo gop gos gpb gpe gpg gpl gpn gpo gpp gps gsb gse gsg gsl gsn gso gsp gss l-p lbb lbe lbg lbl lbo lbp lbs leb lee leg lel len leo lep les lgb lge lgg lgl lgn lgo lgp lgs llb lle llg lll lln llo llp lls lnb lne lng lnl lnn lno lnp lns lob loe log lol lon loo lop los lpb lpe lpg lpl lpn lpo lpp lps lsb lse lsg lsl lsn lso lsp lss nbb nbe nbg nbl nbn nbo nbp nbs ne- neb nee neg nel nen neo nep nes ngb nge ngg ngl ngn ngo ngp ngs nlb nle nlg nll nln nlo nlp nls nnb nne nng nnl nnn nno nnp nns no- nob noe nog nol non noo nop nos npb npe npg npl npn npo npp nps nsb nse nsg nsl nsn nso nsp nss ob- obb obe obg obl obn obo obp obs oeb oee oeg oel oen oeo oep oes oge ogg ogl ogn ogo ogp ogs olb ole olg oll oln olo olp ols on- onb one ong onl onn ono onp ons oo- oob oog ool oon ooo oop oos op- opb ope opg opl opn opo opp ops os- osb ose osg osl osn oso osp oss p-p pbb pbe pbg pbl pbn pbo pbp pbs peb pee peg pel pen peo pep pes pgb pge pgg pgl pgn pgo pgp pgs plb ple plg pll pln plo plp pls pn- pnb pne png pnl pnn pno pnp pns pob poe pog pol pon poo pop pos ppb ppe ppg ppl ppn ppo ppp pps ps- psb pse psg psl psn pso psp pss sbb sbe sbg sbl sbn sbo sbp sbs se- seb see seg sel sen seo sep ses sgb sge sgg sgl sgn sgo sgp sgs slb sle slg sll sln slo slp sls snb sne sng snl snn sno snp sns sob soe sog sol son soo sop sos spb spe spg spl spn spo spp sps ss- ssb sse ssg ssl ssn sso ssp sss