-ol b-p bbb bbc bbe bbg bbl bbo bbp bbs bcb bcc bce bcg bcl bco bcp bcs be- beb bec bee beg bel beo bep bes bgb bgc bge bgg bgl bgo bgp bgs blb blc ble blg bll blo blp bls bob boc boe bog bol boo bop bos bpb bpc bpe bpg bpl bpo bpp bps bsb bsc bse bsg bsl bso bsp bss c-- cbb cbc cbe cbg cbl cbo cbp cbs ccb ccc cce ccg ccl cco ccp ccs ce- ceb cec cee ceg cel ceo cep ces cgb cgc cge cgg cgl cgo cgp cgs cl- clb clc cle clg cll clo clp cls co- cob coc coe cog col coo cop cos cpb cpc cpe cpg cpl cpo cpp cps csb csc cse csg csl cso csp css ebb ebc ebe ebg ebl ebo ebp ebs ec- ecb ecc ece ecg ecl eco ecs eeb eec eee eeg eel eeo eep ees egb egc ege egg egl ego egp egs elb elc ele elg ell elo elp els eo- eob eoc eoe eog eol eoo eop eos ep- epb epc epe epg epl epo epp eps es- esb esc ese esg esl eso esp ess g-p gbc gbe gbg gbl gbo gbp gbs gcb gcc gce gcg gcl gco gcp gcs ge- geb gec gee geg gel geo gep ges ggb ggc ggg ggo ggp ggs glb glc gle glg gll glo glp gls gob goc goe gog gol goo gop gos gpb gpc gpe gpg gpl gpo gpp gps gsb gsc gse gsg gsl gso gsp gss l-p lbb lbc lbe lbg lbl lbo lbp lbs lcb lcc lce lcg lcl lco lcp lcs leb lec lee leg lel leo lep les lgb lgc lge lgg lgl lgo lgp lgs llb llc lle llg lll llo llp lls lob loc loe log lol loo lop los lpb lpc lpe lpg lpl lpo lpp lps lsb lsc lse lsg lsl lso lsp lss ob- obb obc obe obg obl obo obp obs oc- ocb occ ocg ocl oco ocp ocs oeb oec oee oeg oel oeo oep oes ogc oge ogg ogl ogo ogp ogs olb olc ole olg oll olo olp ols oo- oob ooc oog ool ooo oop oos op- opb opc ope opg opl opo opp ops os- osb osc ose osg osl oso osp oss p-p pbb pbc pbe pbg pbl pbo pbp pbs pcb pcc pce pcg pcl pco pcp pcs peb pec pee peg pel peo pep pes pgb pgc pge pgg pgl pgo pgp pgs plb plc ple plg pll plo plp pls pob poc poe pog pol poo pop pos ppb ppc ppe ppg ppl ppo ppp pps ps- psb psc pse psg psl pso psp pss sbb sbc sbe sbg sbl sbo sbp sbs scb scc sce scg scl sco scp scs se- seb sec see seg sel seo sep ses sgb sgc sge sgg sgl sgo sgp sgs slb slc sle slg sll slo slp sls sob soc soe sog sol soo sop sos spb spc spe spg spl spo spp sps ss- ssb ssc sse ssg ssl sso ssp sss