c-- ccc cce cck ccn ccs ccu ce- cec cee cek cen ces ceu ckc cks cn- cnc cne cnn cns cnu csc cse csk csn css csu cuc cue cuk cun cus cuu ec- ecc ece eck ecn ecs ecu eec eee eek een ees ekc eke eks eku en- enc ene enk enn ens enu es- esc ese esk esn ess esu eu- euc eue eun eus kcc kce kck kcn kcs kcu ke- kec kee kek ken kes kkc kke kkk kkn kks kku kn- knc kne knk knn knu ksc kse ksk ksn kss ksu kuc kue kuk kun kus kuu ncc nce nck ncn ncs ncu ne- nec nee nek nen nes neu nkc nke nkk nkn nks nku nnc nne nnk nnn nns nnu nsc nse nsk nsn nss nsu nuc nue nuk nun nus nuu scc sce sck scn scs scu se- sec see sek sen ses seu sk- skc ske skk sks sku snc sne snk snn sns snu ss- ssc sse ssk ssn sss ssu suc sue suk sun sus suu ucc uce uck ucn ucs ucu uec uee uen ues ukc uke ukk ukn uku un- unc une unk unn uns unu usc use usk usn uss usu uuc uue uun uus uuu