-er -ic -up c-- ccc cce cci ccp ccr ccs cct ccu ccx ce- cec cee cei cep cer ces cet ceu cex ci- cic cie cii cip cir cis cit ciu cix cpc cpe cpi cpp cpr cps cpt cpu cpx crc cre cri crp crr crs crt cru crx csc cse csi csp csr css cst csu csx ctc cte cti ctp ctr cts ctt ctu ctx cuc cue cui cup cur cus cut cuu cxc cxi cxp cxr cxs cxt cxx ec- ecc ece eci ecr ecs ect ecu ecx eec eee eep eer ees eet eex eic eie eii eip eir eis eit eiu eix ep- epc epe epi epp epr eps ept epu epx erc ere eri erp err ers ert eru es- esc ese esi esp esr ess est esu esx etc ete eti etp etr ets ett etu etx eu- euc eue eui eup eur eus eut eux ex- exc exe exi exp exr exs ext exu exx icc ice ici icp icr ics ict icu ie- iec iee iei iep ier ies iet iex iic iie iii iip iir iis iit iiu iix ipc ipe ipi ipp ipr ips ipt ipu ipx ir- irc ire iri irp irr irs irt iru irx is- isc ise isi isp isr iss ist isu itc ite iti itp its itt itu itx iu- iuc iue iui iup iur ius iut ixc ixe ixi p-p pcc pce pci pcp pcr pcs pct pcu pcx pec pee pei pep per pes pet peu pex pic pie pii pip pir pis pit piu pix ppc ppe ppi ppp ppr pps ppt ppu ppx prc pre pri prp prr prs prt pru prx ps- psc pse psi psp psr pss pst psu psx pt- ptc pte pti ptp ptr pts ptt ptu ptx puc pue pui pup pur pus put puu pxc pxe pxr pxs pxt rcc rce rci rcp rcr rcs rct rcu rcx re- rec ree rei rep rer res ret reu rex ric rie rii rip rir ris rit rix rpc rpe rpi rpp rpr rps rpt rpu rpx rrc rri rrp rrr rrs rrt rru rsc rse rsi rsp rsr rss rst rsu rsx rtc rte rti rtp rtr rts rtt rtu rtx ruc rue rui rup rur rus rut ruu rux rxp rxr rxs scc sce sci scp scr scs sct scu scx se- sec see sei sep ser ses set seu sex sic sie sii sip sir sis sit siu six spc spe spi spp spr sps spt spu spx sr- src sre sri srp srr srs srt srx ss- ssc sse ssi ssp ssr sss sst ssu ssx stc ste sti stp str sts stt stu stx suc sue sui sup sur sus sut suu sux sxc sxi sxs sxt sxu t-x tcc tce tci tcp tcr tcs tct tcu tcx te- tec tee tei tep ter tes tet teu tex tic tie tii tip tir tis tit tiu tix tpc tpe tpi tpp tpr tps tpt tpu tpx trc tre tri trp trr trs trt tru trx tsc tse tsi tsp tsr tss tst tsu tsx ttc tte tti ttp ttr tts ttt ttu ttx tuc tue tui tup tur tus tut tuu tux txe txi txs txt txu ucc uce uci ucp ucr ucs uct ucu uec uee uei uep uer ues uet uic uie uii uip uir uis uit uiu up- upc upe upi upp upr ups upt upu upx ur- urc ure uri urp urr urs urt uru urx usc use usi usp usr uss ust usu usx utc ute uti utp utr uts utt utu utx uuc uue uur uus uut uuu uxc uxr uxt uxu xci xcp xcr xcx xee xep xer xes xet xeu xex xic xie xii xis xit xiu xix xpc xpe xpp xps xpt xrc xrt xrx xsc xsi xsp xss xst xtc xti xtp xtr xts xtx xue xui xup xus xxi xxp xxx