-ol c-- ccc ccd cce cch ccl cco ccp ccx cdc cdd cde cdh cdl cdo cdp cdx ce- cec ced cee ceh cel ceo cep cex ch- chc chd che chh chl cho chp chx cl- clc cld cle clh cll clo clp clx co- coc cod coe coh col coo cop cox cpc cpd cpe cph cpl cpo cpp cpx cxc cxh cxl cxo cxp cxx dcc dcd dce dcl dco dcp dcx ddc ddd dde ddh ddl ddo ddp ddx de- dec ded dee deh del deo dep dex dh- dhc dhd dhe dhh dhl dho dhp dl- dlc dld dle dlh dll dlo dlp dlx doc dod doe doh dol doo dop dox dpc dpd dpe dph dpl dpo dpp dxc dxd dxl dxo dxp dxx ec- ecc ecd ece ech ecl eco ecx ed- edc edd ede edh edl edo edp edx eec eed eee eel eeo eep eex ehc ehd ehe ehh ehl eho ehp elc eld ele elh ell elo elp elx eo- eoc eod eoe eoh eol eoo eop ep- epc epd epe eph epl epo epp epx ex- exc exd exe exh exl exo exp exx hcc hcd hce hch hcl hco hcp hdc hdd hde hdh hdl hdo hdp hdx he- hec hed hee heh hel heo hep hex hhc hhd hhe hhh hhl hho hhp hlc hld hle hlh hll hlo hlp hlx hoc hod hoe hoh hol hoo hop hox hpc hpd hpe hph hpl hpo hpp hxc hxd hxl l-p lcc lcd lce lch lcl lco lcp lcx ldc ldd lde ldh ldl ldo ldp lec led lee leh lel leo lep lex lhc lhd lhh lho lhp lhx llc lld lle lll llo llp loc lod loe loh lol loo lop lox lpc lpd lpe lph lpl lpo lpp lpx lxc lxd lxo lxx oc- occ ocd och ocl oco ocp ocx odc odd ode odh odl odo odp oec oed oee oeh oel oeo oep oex ohc ohd ohe ohh ohl oho ohp olc old ole oll olo olp oo- ooc ood ooh ool ooo oop oox op- opc opd ope oph opl opo opp opx ox- oxc oxo oxx p-p pcc pcd pce pch pcl pco pcp pcx pdc pdd pde pdh pdl pdo pdp pdx pec ped pee peh pel peo pep pex phc phd phe phl pho php phx plc pld ple plh pll plo plp plx poc pod poe poh pol poo pop pox ppc ppd ppe pph ppl ppo ppp ppx pxc pxe pxl xcd xch xcl xcp xcx xdc xde xdh xed xee xel xep xex xhd xhp xld xoc xod xoo xop xox xpc xpd xpe xpl xpo xpp xxl xxo xxp xxx