c-- ccc cce cck ccl ccm ccn ccu ce- cec cee cek cel cem cen ceu ckc ckm cl- clc cle clk cll clm cln clu cmc cme cmk cml cmm cmn cmu cn- cnc cne cnl cnm cnn cnu cuc cue cuk cul cum cun cuu ec- ecc ece eck ecl ecm ecn ecu eec eee eek eel eem een ekc eke ekl eku elc ele elk ell elm eln elu em- emc eme emk eml emm emn emu en- enc ene enk enl enm enn enu eu- euc eue eul eun kcc kce kck kcl kcm kcn kcu ke- kec kee kek kel kem ken kkc kke kkk kkl kkm kkn kku kl- klc klm klu kmc kme kmk kml kmm kmu kn- knc kne knk knl knm knn knu kuc kue kuk kul kum kun kuu lcc lce lck lcl lcm lcn lcu lec lee lek lel lem len leu lkl llc lle llk lll llm lln llu lmc lme lmk lml lmm lmn lmu lnc lne lnk lnl lnm lnn lnu luc lue luk lul lum lun luu mc- mcc mce mck mcl mcm mcn mcu mec mee mek mel mem men meu mkc mke mkk mkl mkm mkn mku mlc mle mlk mll mlm mln mlu mmc mme mmk mml mmm mmn mmu mnc mne mnk mnl mnm mnn mnu muc mue muk mul mum mun muu ncc nce nck ncl ncm ncn ncu ne- nec nee nek nel nem nen neu nkc nke nkk nkm nkn nku nlc nle nlk nll nlm nln nlu nmc nme nmk nml nmm nmn nmu nnc nne nnk nnl nnm nnn nnu nuc nue nuk nul num nun nuu ucc uce uck ucl ucm ucn ucu uec uee uel uem uen ukc uke ukk ukl ukn uku ulc ule ulk ull ulm uln ulu um- umc ume uml umm umn umu un- unc une unk unl unm unn unu uuc uue uum uun uuu