-er -up c-- ccc cce ccn ccp ccr ccs cct ccu ccx ce- cec cee cen cep cer ces cet ceu cex cn- cnc cne cnn cnp cnr cns cnt cnu cnx cpc cpe cpn cpp cpr cps cpt cpu cpx crc cre crn crp crr crs crt cru crx csc cse csn csp csr css cst csu csx ctc cte ctn ctp ctr cts ctt ctu ctx cuc cue cun cup cur cus cut cuu cxc cxp cxr cxs cxt cxx ec- ecc ece ecn ecr ecs ect ecu ecx eec eee een eep eer ees eet eex en- enc ene enn enp enr ens ent enu ep- epc epe epn epp epr eps ept epu epx erc ere ern erp err ers ert eru es- esc ese esn esp esr ess est esu esx etc ete etn etp etr ets ett etu etx eu- euc eue eun eup eur eus eut eux ex- exc exe exp exr exs ext exu exx ncc nce ncn ncp ncr ncs nct ncu ncx ne- nec nee nen nep ner nes net neu nex nnc nne nnn nnp nns nnt nnu npc npe npn npp npr nps npt npu nrc nre nrn nrp nrr nrs nrt nru nrx nsc nse nsn nsp nsr nss nst nsu nsx ntc nte ntn ntp ntr nts ntt ntu ntx nuc nue nun nup nur nus nut nuu nux nxc nxt p-p pcc pce pcn pcp pcr pcs pct pcu pcx pec pee pen pep per pes pet peu pex pn- pnc pne pnn pnp pnr pns pnt pnu pnx ppc ppe ppn ppp ppr pps ppt ppu ppx prc pre prn prp prr prs prt pru prx ps- psc pse psn psp psr pss pst psu psx pt- ptc pte ptn ptp ptr pts ptt ptu ptx puc pue pun pup pur pus put puu pxc pxe pxr pxs pxt rcc rce rcn rcp rcr rcs rct rcu rcx re- rec ree ren rep rer res ret reu rex rnc rnn rnp rnr rns rnt rnu rpc rpe rpn rpp rpr rps rpt rpu rpx rrc rrn rrp rrr rrs rrt rru rsc rse rsn rsp rsr rss rst rsu rsx rtc rte rtn rtp rtr rts rtt rtu rtx ruc rue run rup rur rus rut ruu rux rxp rxr rxs scc sce scn scp scr scs sct scu scx se- sec see sen sep ser ses set seu sex snc sne snn snp snr sns snt snu spc spe spn spp spr sps spt spu spx sr- src sre srn srp srr srs srt srx ss- ssc sse ssn ssp ssr sss sst ssu ssx stc ste stn stp str sts stt stu stx suc sue sun sup sur sus sut suu sux sxc sxn sxs sxt sxu t-x tcc tce tcn tcp tcr tcs tct tcu tcx te- tec tee ten tep ter tes tet teu tex tnc tne tnn tnp tnr tns tnt tnx tpc tpe tpn tpp tpr tps tpt tpu tpx trc tre trn trp trr trs trt tru trx tsc tse tsn tsp tsr tss tst tsu tsx ttc tte ttn ttp ttr tts ttt ttu ttx tuc tue tun tup tur tus tut tuu tux txe txn txs txt txu ucc uce ucn ucp ucr ucs uct ucu uec uee uen uep uer ues uet un- unc une unn unp unr uns unt unu unx up- upc upe upn upp upr ups upt upu upx ur- urc ure urn urp urr urs urt uru urx usc use usn usp usr uss ust usu usx utc ute utn utp utr uts utt utu utx uuc uue uun uur uus uut uuu uxc uxr uxt uxu xcp xcr xcx xee xen xep xer xes xet xeu xex xnc xns xnu xpc xpe xpn xpp xps xpt xrc xrt xrx xsc xsp xss xst xtc xtp xtr xts xtx xue xun xup xus xxp xxx