c-- ccc cce cch ccn cco ccs ce- cec cee ceh cen ceo ces ch- chc che chh chn cho chs cn- cnc cne cnh cnn cno cns co- coc coe coh con coo cos csc cse csh csn cso css ec- ecc ece ech ecn eco ecs eec eee een eeo ees ehc ehe ehh ehn eho ehs en- enc ene enh enn eno ens eo- eoc eoe eoh eon eoo eos es- esc ese esh esn eso ess hcc hce hch hcn hco hcs he- hec hee heh hen heo hes hhc hhe hhh hhn hho hhs hnc hne hnh hnn hno hns hoc hoe hoh hon hoo hos hsc hse hsh hsn hss ncc nce nch ncn nco ncs ne- nec nee neh nen neo nes nhc nhe nhh nhn nhs nnc nne nnh nnn nno nns no- noc noe noh non noo nos nsc nse nsh nsn nso nss oc- occ och ocn oco ocs oec oee oeh oen oeo oes ohc ohe ohh ohn oho ohs on- onc one onh onn ono ons oo- ooc ooh oon ooo oos os- osc ose osh osn oso oss scc sce sch scn sco scs se- sec see seh sen seo ses sh- shc she shh shn sho shs snc sne snn sno sns soc soe soh son soo sos ss- ssc sse ssh ssn sso sss