c-- ccc ccd cce cch cco ccz cdc cdd cde cdh cdo cdz ce- cec ced cee ceh ceo cez ch- chc chd che chh cho chz co- coc cod coe coh coo coz cz- czc czd cze czo dcc dcd dce dco ddc ddd dde ddh ddo ddz de- dec ded dee deh deo dez dh- dhc dhd dhe dhh dho doc dod doe doh doo doz dzd dze dzo ec- ecc ecd ece ech eco ed- edc edd ede edh edo eec eed eee eeo ehc ehd ehe ehh eho eo- eoc eod eoe eoh eoo eze ezh ezo ezz hcc hcd hce hch hco hdc hdd hde hdh hdo hdz he- hec hed hee heh heo hez hhc hhd hhe hhh hho hhz hoc hod hoe hoh hoo hzd hze hzo oc- occ ocd och oco ocz odc odd ode odh odo oec oed oee oeh oeo ohc ohd ohe ohh oho oo- ooc ood ooh ooo oze ozo ozz zce zco zec zed zee zeh zeo zez zhc zhe zho zo- zoc zod zoe zoo zzz