-ol c-- ccc ccd cce cch cck ccl cco cdc cdd cde cdh cdk cdl cdo ce- cec ced cee ceh cek cel ceo ch- chc chd che chh chk chl cho ckc ckd ckh cko cl- clc cld cle clh clk cll clo co- coc cod coe coh cok col coo dcc dcd dce dck dcl dco ddc ddd dde ddh ddk ddl ddo de- dec ded dee deh dek del deo dh- dhc dhd dhe dhh dhk dhl dho dkc dke dkk dkl dko dl- dlc dld dle dlh dlk dll dlo doc dod doe doh dok dol doo ec- ecc ecd ece ech eck ecl eco ed- edc edd ede edh edk edl edo eec eed eee eek eel eeo ehc ehd ehe ehh ehl eho ekc ekd eke ekh ekl eko elc eld ele elh elk ell elo eo- eoc eod eoe eoh eok eol eoo hcc hcd hce hch hck hcl hco hdc hdd hde hdh hdk hdl hdo he- hec hed hee heh hek hel heo hhc hhd hhe hhh hhk hhl hho hkd hkh hkk hkl hko hlc hld hle hlh hll hlo hoc hod hoe hoh hok hol hoo kcc kcd kce kch kck kcl kdc kde kdh kdk kdl kdo ke- kec ked kee keh kek kel keo khe khh khk kho kkc kke kkh kkk kkl kl- klc kld klh klo koc kod koe koh kok kol koo lcc lcd lce lch lck lcl lco ldc ldd lde ldh ldk ldl ldo lec led lee leh lek lel leo lhc lhd lhh lhk lho lkh lkl llc lld lle llk lll llo loc lod loe loh lok lol loo oc- occ ocd och ock ocl oco odc odd ode odh odl odo oec oed oee oeh oel oeo ohc ohd ohe ohh ohl oho okc okd oke okk okl oko olc old ole olk oll olo oo- ooc ood ooh ook ool ooo