c-- ccc ccd cce cch ccn ccs cdc cdd cde cdh cdn cds ce- cec ced cee ceh cen ces ch- chc chd che chh chn chs cn- cnc cnd cne cnh cnn cns csc csd cse csh csn css dcc dcd dce dcn dcs ddc ddd dde ddh ddn dds de- dec ded dee deh den des dh- dhc dhd dhe dhh dhs dnc dnd dne dnh dnn dns dsc dsd dse dsh dsn dss ec- ecc ecd ece ech ecn ecs ed- edc edd ede edh edn eds eec eed eee een ees ehc ehd ehe ehh ehn ehs en- enc end ene enh enn ens es- esc esd ese esh esn ess hcc hcd hce hch hcn hcs hdc hdd hde hdh hdn hds he- hec hed hee heh hen hes hhc hhd hhe hhh hhn hhs hnc hnd hne hnh hnn hns hsc hsd hse hsh hsn hss ncc ncd nce nch ncn ncs ndc ndd nde ndh ndn nds ne- nec ned nee neh nen nes nhc nhd nhe nhh nhn nhs nnc nne nnh nnn nns nsc nsd nse nsh nsn nss scc scd sce sch scn scs sdc sdd sde sdh sdn sds se- sec sed see seh sen ses sh- shc shd she shh shn shs snc snd sne snn sns ss- ssc ssd sse ssh ssn sss