c-- ccc ccd cce cch ccn cdc cdd cde cdh cdn ce- cec ced cee ceh cen ch- chc chd che chh chn cn- cnc cnd cne cnh cnn dcc dcd dce dcn ddc ddd dde ddh ddn de- dec ded dee deh den dh- dhc dhd dhe dhh dnc dnd dne dnh dnn ec- ecc ecd ece ech ecn ed- edc edd ede edh edn eec eed eee een ehc ehd ehe ehh ehn en- enc end ene enh enn hcc hcd hce hch hcn hdc hdd hde hdh hdn he- hec hed hee heh hen hhc hhd hhe hhh hhn hnc hnd hne hnh hnn ncc ncd nce nch ncn ndc ndd nde ndh ndn ne- nec ned nee neh nen nhc nhd nhe nhh nhn nnc nne nnh nnn