c-- ccc cce cch cck ccn ccs ce- cec cee ceh cek cen ces ch- chc che chh chk chn chs ckc ckh cks cn- cnc cne cnh cnn cns csc cse csh csk csn css ec- ecc ece ech eck ecn ecs eec eee eek een ees ehc ehe ehh ehn ehs ekc eke ekh eks en- enc ene enh enk enn ens es- esc ese esh esk esn ess hcc hce hch hck hcn hcs he- hec hee heh hek hen hes hhc hhe hhh hhk hhn hhs hkh hkk hkn hks hnc hne hnh hnk hnn hns hsc hse hsh hsk hsn hss kcc kce kch kck kcn kcs ke- kec kee keh kek ken kes khe khh khk khn khs kkc kke kkh kkk kkn kks kn- knc kne knk knn ksc kse ksh ksk ksn kss ncc nce nch nck ncn ncs ne- nec nee neh nek nen nes nhc nhe nhh nhk nhn nhs nkc nke nkk nkn nks nnc nne nnh nnk nnn nns nsc nse nsh nsk nsn nss scc sce sch sck scn scs se- sec see seh sek sen ses sh- shc she shh shk shn shs sk- skc ske skh skk sks snc sne snk snn sns ss- ssc sse ssh ssk ssn sss