c-- ccc cce ccm ccn ccs cct ccu ccx ce- cec cee cem cen ces cet ceu cex cmc cme cmm cmn cms cmt cmu cmx cn- cnc cne cnm cnn cns cnt cnu cnx csc cse csm csn css cst csu csx ctc cte ctm ctn cts ctt ctu ctx cuc cue cum cun cus cut cuu cxc cxs cxt cxx ec- ecc ece ecm ecn ecs ect ecu ecx eec eee eem een ees eet eex em- emc eme emm emn ems emt emu emx en- enc ene enm enn ens ent enu es- esc ese esm esn ess est esu esx etc ete etm etn ets ett etu etx eu- euc eue eun eus eut eux ex- exc exe exs ext exu exx mc- mcc mce mcm mcn mcs mct mcu mcx mec mee mem men mes met meu mex mmc mme mmm mmn mms mmt mmu mmx mnc mne mnm mnn mns mnt mnu msc mse msm msn mss mst msu msx mtc mte mtm mtn mts mtt mtu mtx muc mue mum mun mus mut muu mux mxc mxn mxs mxu ncc nce ncm ncn ncs nct ncu ncx ne- nec nee nem nen nes net neu nex nmc nme nmm nmn nms nmt nmu nnc nne nnm nnn nns nnt nnu nsc nse nsm nsn nss nst nsu nsx ntc nte ntm ntn nts ntt ntu ntx nuc nue num nun nus nut nuu nux nxc nxt scc sce scm scn scs sct scu scx se- sec see sem sen ses set seu sex smc sme smm smn sms smt smu smx snc sne snm snn sns snt snu ss- ssc sse ssm ssn sss sst ssu ssx stc ste stm stn sts stt stu stx suc sue sum sun sus sut suu sux sxc sxm sxn sxs sxt sxu t-x tcc tce tcm tcn tcs tct tcu tcx te- tec tee tem ten tes tet teu tex tmc tme tmm tmn tms tmt tmu tmx tnc tne tnm tnn tns tnt tnx tsc tse tsm tsn tss tst tsu tsx ttc tte ttm ttn tts ttt ttu ttx tuc tue tum tun tus tut tuu tux txe txn txs txt txu ucc uce ucm ucn ucs uct ucu uec uee uem uen ues uet um- umc ume umm umn ums umt umu un- unc une unm unn uns unt unu unx usc use usm usn uss ust usu usx utc ute utm utn uts utt utu utx uuc uue uum uun uus uut uuu uxc uxt uxu xcx xee xem xen xes xet xeu xex xmc xmm xms xmt xmu xmx xnc xns xnu xsc xsm xss xst xtc xtm xts xtx xue xun xus xxx