-er -ic -up c-- ccc ccd cce cci ccp ccr ccs cct ccu cdc cdd cde cdi cdp cdr cds cdt cdu ce- cec ced cee cei cep cer ces cet ceu ci- cic cid cie cii cip cir cis cit ciu cpc cpd cpe cpi cpp cpr cps cpt cpu crc crd cre cri crp crr crs crt cru csc csd cse csi csp csr css cst csu ctc ctd cte cti ctp ctr cts ctt ctu cuc cud cue cui cup cur cus cut cuu dcc dcd dce dci dcp dcr dcs dct dcu ddc ddd dde ddi ddp ddr dds ddt ddu de- dec ded dee dei dep der des det deu di- dic did die dii dip dir dis dit diu dpc dpd dpe dpi dpp dpr dps dpt dpu drc drd dre dri drp drr drs drt dru dsc dsd dse dsi dsp dsr dss dst dsu dtc dtd dte dti dtp dtr dts dtt dtu duc dud due dui dup dur dus dut ec- ecc ecd ece eci ecr ecs ect ecu ed- edc edd ede edi edp edr eds edt edu eec eed eee eep eer ees eet eic eid eie eii eip eir eis eit eiu ep- epc epd epe epi epp epr eps ept epu erc erd ere eri erp err ers ert eru es- esc esd ese esi esp esr ess est esu etc etd ete eti etp etr ets ett etu eu- euc eud eue eui eup eur eus eut i-d icc icd ice ici icp icr ics ict icu idc idd ide idi idp idr ids idt idu ie- iec ied iee iei iep ier ies iet iic iid iie iii iip iir iis iit iiu ipc ipd ipe ipi ipp ipr ips ipt ipu ir- irc ird ire iri irp irr irs irt iru is- isc isd ise isi isp isr iss ist isu itc itd ite iti itp its itt itu iu- iuc iud iue iui iup iur ius iut p-p pcc pcd pce pci pcp pcr pcs pct pcu pdc pdd pde pdi pdp pdr pds pdt pdu pec ped pee pei pep per pes pet peu pic pid pie pii pip pir pis pit piu ppc ppd ppe ppi ppp ppr pps ppt ppu prc prd pre pri prp prr prs prt pru ps- psc psd pse psi psp psr pss pst psu pt- ptc ptd pte pti ptp ptr pts ptt ptu puc pud pue pui pup pur pus put puu rcc rcd rce rci rcp rcr rcs rct rcu rdc rdd rde rdi rdp rdr rds rdt rdu re- rec red ree rei rep rer res ret reu ric rid rie rii rip rir ris rit rpc rpd rpe rpi rpp rpr rps rpt rpu rrc rrd rri rrp rrr rrs rrt rru rsc rsd rse rsi rsp rsr rss rst rsu rtc rtd rte rti rtp rtr rts rtt rtu ruc rud rue rui rup rur rus rut ruu scc scd sce sci scp scr scs sct scu sdc sdd sde sdi sdp sdr sds sdt sdu se- sec sed see sei sep ser ses set seu sic sid sie sii sip sir sis sit siu spc spd spe spi spp spr sps spt spu sr- src srd sre sri srp srr srs srt ss- ssc ssd sse ssi ssp ssr sss sst ssu stc std ste sti stp str sts stt stu suc sud sue sui sup sur sus sut suu tcc tcd tce tci tcp tcr tcs tct tcu tdc tdd tde tdi tdp tdr tds tdt tdu te- tec ted tee tei tep ter tes tet teu tic tid tie tii tip tir tis tit tiu tpc tpd tpe tpi tpp tpr tps tpt tpu trc trd tre tri trp trr trs trt tru tsc tsd tse tsi tsp tsr tss tst tsu ttc ttd tte tti ttp ttr tts ttt ttu tuc tud tue tui tup tur tus tut tuu ucc ucd uce uci ucp ucr ucs uct ucu udc udd ude udi udp udr uds udt udu uec ued uee uei uep uer ues uet uic uid uie uii uip uir uis uit uiu up- upc upd upe upi upp upr ups upt upu ur- urc urd ure uri urp urr urs urt uru usc usd use usi usp usr uss ust usu utc utd ute uti utp utr uts utt utu uuc uue uur uus uut uuu