-er -ic -up c-- ccc ccd cce cci cco ccp ccr ccs cct ccu cdc cdd cde cdi cdo cdp cdr cds cdt cdu ce- cec ced cee cei ceo cep cer ces cet ceu ci- cic cid cie cii cio cip cir cis cit ciu co- coc cod coe coi coo cop cor cos cot cou cpc cpd cpe cpi cpo cpp cpr cps cpt cpu crc crd cre cri cro crp crr crs crt cru csc csd cse csi cso csp csr css cst csu ctc ctd cte cti cto ctp ctr cts ctt ctu cuc cud cue cui cuo cup cur cus cut cuu dcc dcd dce dci dco dcp dcr dcs dct dcu ddc ddd dde ddi ddo ddp ddr dds ddt ddu de- dec ded dee dei deo dep der des det deu di- dic did die dii dio dip dir dis dit diu doc dod doe doi doo dop dor dos dot dou dpc dpd dpe dpi dpo dpp dpr dps dpt dpu drc drd dre dri dro drp drr drs drt dru dsc dsd dse dsi dso dsp dsr dss dst dsu dtc dtd dte dti dto dtp dtr dts dtt dtu duc dud due dui duo dup dur dus dut ec- ecc ecd ece eci eco ecr ecs ect ecu ed- edc edd ede edi edo edp edr eds edt edu eec eed eee eeo eep eer ees eet eic eid eie eii eio eip eir eis eit eiu eo- eoc eod eoe eoi eoo eop eor eos eot eou ep- epc epd epe epi epo epp epr eps ept epu erc erd ere eri ero erp err ers ert eru es- esc esd ese esi eso esp esr ess est esu etc etd ete eti eto etp etr ets ett etu eu- euc eud eue eui eup eur eus eut i-d icc icd ice ici ico icp icr ics ict icu idc idd ide idi ido idp idr ids idt idu ie- iec ied iee iei iep ier ies iet iic iid iie iii iio iip iir iis iit iiu io- ioc iod ioe ioi ioo iop ior ios iot iou ipc ipd ipe ipi ipo ipp ipr ips ipt ipu ir- irc ird ire iri iro irp irr irs irt iru is- isc isd ise isi iso isp isr iss ist isu itc itd ite iti ito itp its itt itu iu- iuc iud iue iui iup iur ius iut o-i oc- occ ocd oci oco ocp ocr ocs oct ocu odc odd ode odi odo odp odr ods odt odu oec oed oee oei oeo oep oer oes oet oic oid oie oii oio oip oir ois oit oiu oo- ooc ood ooi ooo oop oor oos oot op- opc opd ope opi opo opp opr ops opt or- orc ord ore ori oro orp orr ors ort oru os- osc osd ose osi oso osp osr oss ost osu ot- otc otd ote oti oto otp otr ots ott otu ou- ouc oud oue oui ouo oup our ous out p-p pcc pcd pce pci pco pcp pcr pcs pct pcu pdc pdd pde pdi pdo pdp pdr pds pdt pdu pec ped pee pei peo pep per pes pet peu pic pid pie pii pio pip pir pis pit piu poc pod poe poi poo pop por pos pot pou ppc ppd ppe ppi ppo ppp ppr pps ppt ppu prc prd pre pri pro prp prr prs prt pru ps- psc psd pse psi pso psp psr pss pst psu pt- ptc ptd pte pti pto ptp ptr pts ptt ptu puc pud pue pui pup pur pus put puu rcc rcd rce rci rco rcp rcr rcs rct rcu rdc rdd rde rdi rdo rdp rdr rds rdt rdu re- rec red ree rei reo rep rer res ret reu ric rid rie rii rio rip rir ris rit roc rod roe roi roo rop ror ros rot rou rpc rpd rpe rpi rpo rpp rpr rps rpt rpu rrc rrd rri rrp rrr rrs rrt rru rsc rsd rse rsi rso rsp rsr rss rst rsu rtc rtd rte rti rto rtp rtr rts rtt rtu ruc rud rue rui ruo rup rur rus rut ruu scc scd sce sci sco scp scr scs sct scu sdc sdd sde sdi sdo sdp sdr sds sdt sdu se- sec sed see sei seo sep ser ses set seu sic sid sie sii sio sip sir sis sit siu soc sod soe soi soo sop sor sos sot sou spc spd spe spi spo spp spr sps spt spu sr- src srd sre sri sro srp srr srs srt ss- ssc ssd sse ssi sso ssp ssr sss sst ssu stc std ste sti sto stp str sts stt stu suc sud sue sui suo sup sur sus sut suu tcc tcd tce tci tco tcp tcr tcs tct tcu tdc tdd tde tdi tdo tdp tdr tds tdt tdu te- tec ted tee tei teo tep ter tes tet teu tic tid tie tii tio tip tir tis tit tiu to- toc tod toe toi too top tor tos tot tou tpc tpd tpe tpi tpo tpp tpr tps tpt tpu trc trd tre tri tro trp trr trs trt tru tsc tsd tse tsi tso tsp tsr tss tst tsu ttc ttd tte tti tto ttp ttr tts ttt ttu tuc tud tue tui tuo tup tur tus tut tuu ucc ucd uce uci uco ucp ucr ucs uct ucu udc udd ude udi udo udp udr uds udt udu uec ued uee uei uep uer ues uet uic uid uie uii uio uip uir uis uit uiu uoc uod uoe uoo uop uor uos uot up- upc upd upe upi upo upp upr ups upt upu ur- urc urd ure uri uro urp urr urs urt uru usc usd use usi uso usp usr uss ust usu utc utd ute uti uto utp