c-- ccc cce ccl ccm ccn ccs ccu ce- cec cee cel cem cen ces ceu cl- clc cle cll clm cln cls clu cmc cme cml cmm cmn cms cmu cn- cnc cne cnl cnm cnn cns cnu csc cse csl csm csn css csu cuc cue cul cum cun cus cuu ec- ecc ece ecl ecm ecn ecs ecu eec eee eel eem een ees elc ele ell elm eln els elu em- emc eme eml emm emn ems emu en- enc ene enl enm enn ens enu es- esc ese esl esm esn ess esu eu- euc eue eul eun eus lcc lce lcl lcm lcn lcs lcu lec lee lel lem len les leu llc lle lll llm lln lls llu lmc lme lml lmm lmn lms lmu lnc lne lnl lnm lnn lns lnu lsc lse lsl lsm lsn lss lsu luc lue lul lum lun lus luu mc- mcc mce mcl mcm mcn mcs mcu mec mee mel mem men mes meu mlc mle mll mlm mln mls mlu mmc mme mml mmm mmn mms mmu mnc mne mnl mnm mnn mns mnu msc mse msl msm msn mss msu muc mue mul mum mun mus muu ncc nce ncl ncm ncn ncs ncu ne- nec nee nel nem nen nes neu nlc nle nll nlm nln nls nlu nmc nme nml nmm nmn nms nmu nnc nne nnl nnm nnn nns nnu nsc nse nsl nsm nsn nss nsu nuc nue nul num nun nus nuu scc sce scl scm scn scs scu se- sec see sel sem sen ses seu slc sle sll slm sln sls slu smc sme sml smm smn sms smu snc sne snl snm snn sns snu ss- ssc sse ssl ssm ssn sss ssu suc sue sul sum sun sus suu ucc uce ucl ucm ucn ucs ucu uec uee uel uem uen ues ulc ule ull ulm uln uls ulu um- umc ume uml umm umn ums umu un- unc une unl unm unn uns unu usc use usl usm usn uss usu uuc uue uum uun uus uuu