-ol c-- ccc cch cck ccl cco ccz ch- chc chh chk chl cho chz ckc ckh cko cl- clc clh clk cll clo clz co- coc coh cok col coo coz cz- czc czk czo hcc hch hck hcl hco hhc hhh hhk hhl hho hhz hkh hkk hkl hko hlc hlh hll hlo hlz hoc hoh hok hol hoo hzl hzo k-z kcc kch kck kcl khh khk kho khz kkc kkh kkk kkl kl- klc klh klo klz koc koh kok kol koo koz kzo lcc lch lck lcl lco lhc lhh lhk lho lhz lkh lkl llc llk lll llo llz loc loh lok lol loo loz lzh lzo oc- occ och ock ocl oco ocz ohc ohh ohl oho okc okk okl oko olc olk oll olo oo- ooc ooh ook ool ooo ozo ozz zcl zco zhc zhl zho zo- zoc zok zol zoo zzz