-er -ic -up c-- ccc ccd cce ccf cci cck ccp ccr ccs cct ccu cdc cdd cde cdf cdi cdk cdp cdr cds cdt cdu ce- cec ced cee cef cei cek cep cer ces cet ceu cfc cfd cfe cff cfi cfk cfp cfr cfs cft cfu ci- cic cid cie cif cii cik cip cir cis cit ciu ckc ckd cki cks ckt cpc cpd cpe cpf cpi cpk cpp cpr cps cpt cpu crc crd cre crf cri crk crp crr crs crt cru csc csd cse csf csi csk csp csr css cst csu ctc ctd cte ctf cti ctk ctp ctr cts ctt ctu cuc cud cue cuf cui cuk cup cur cus cut cuu dcc dcd dce dcf dci dck dcp dcr dcs dct dcu ddc ddd dde ddf ddi ddk ddp ddr dds ddt ddu de- dec ded dee def dei dek dep der des det deu dfc dfd dfe dff dfi dfk dfp dfr dfs dft dfu di- dic did die dif dii dik dip dir dis dit diu dkc dke dki dkk dkp dkr dks dkt dku dpc dpd dpe dpf dpi dpk dpp dpr dps dpt dpu drc drd dre dri drk drp drr drs drt dru dsc dsd dse dsf dsi dsk dsp dsr dss dst dsu dtc dtd dte dtf dti dtk dtp dtr dts dtt dtu duc dud due duf dui duk dup dur dus dut ec- ecc ecd ece ecf eci eck ecr ecs ect ecu ed- edc edd ede edf edi edk edp edr eds edt edu eec eed eee eef eek eep eer ees eet ef- efc efd efe eff efi efp efr efs eft eic eid eie eif eii eik eip eir eis eit eiu ekc ekd eke ekf eki ekp ekr eks ekt eku ep- epc epd epe epf epi epp epr eps ept epu erc erd ere erf eri erk erp err ers ert eru es- esc esd ese esf esi esk esp esr ess est esu etc etd ete etf eti etk etp etr ets ett etu eu- euc eud eue euf eui eup eur eus eut fcc fcd fce fcf fci fck fcp fcr fcs fct fcu fdc fdd fde fdf fdi fdk fdp fdr fds fdt fdu fec fed fee fef fei fek fep fer fes fet feu ffc ffd ffe fff ffi ffk ffp ffr ffs fft ffu fic fid fie fif fii fik fip fir fis fit fiu fkc fkf fki fkk fkp fkt fpc fpd fpe fpi fpk fpp fpr fps fpt fpu frc frd fre frf fri frk frp frr frs frt fru fsc fsd fse fsf fsi fsk fsp fsr fss fst fsu ftc ftd fte ftf fti ftk ftp ftr fts ftt ftu fud fue fuf fui fuk fup fur fus fut fuu i-d i-f icc icd ice icf ici ick icp icr ics ict icu idc idd ide idf idi idk idp idr ids idt idu ie- iec ied iee ief iei iek iep ier ies iet ifc ifd ife iff ifi ifp ifr ifs ift ifu iic iid iie iif iii iip iir iis iit iiu ikc ike ikf iki ikk ikr iks ikt iku ipc ipd ipe ipf ipi ipp ipr ips ipt ipu ir- irc ird ire irf iri irk irp irr irs irt iru is- isc isd ise isf isi isk isp isr iss ist isu itc itd ite itf iti itk itp its itt itu iu- iuc iud iue iui iup iur ius iut k-t kcc kcd kce kci kck kcp kcr kcs kct kcu kdc kde kdf kdk kdp kdr kds kdt kdu ke- kec ked kee kef kei kek kep ker kes ket kfc kfd kff kfi kfs kfu kic kid kie kif kii kik kip kir kis kit kiu kkc kke kki kkk kkp kkr kks kkt kku kpc kpd kpe kpf kpi kpk kpp kpr kps kpt kpu krc krd krf kri krk krp krr krs krt kru ksc ksd kse ksf ksi ksk ksp ksr kss kst ksu ktc kte ktf ktk ktp ktr kts ktt ktu kuc kud kue kui kuk kup kur kus kut kuu p-p pcc pcd pce pcf pci pck pcp pcr pcs pct pcu pdc pdd pde pdf pdi pdk pdp pdr pds pdt pdu pec ped pee pef pei pek pep per pes pet peu pfc pfd pfe pff pfi pfk pfp pfr pfs pft pfu pic pid pie pif pii pik pip pir pis pit piu pkc pkd pke pkf pki pkp pkr pks pkt pku ppc ppd ppe ppf ppi ppk ppp ppr pps ppt ppu prc prd pre prf pri prk prp prr prs prt pru ps- psc psd pse psf psi psk psp psr pss pst psu pt- ptc ptd pte ptf pti ptk ptp ptr pts ptt ptu puc pud pue puf pui puk pup pur pus put puu rcc rcd rce rcf rci rcp rcr rcs rct rcu rdc rdd rde rdf rdi rdp rdr rds rdt rdu re- rec red ree ref rei rek rep rer res ret reu rfc rfd rfe rff rfi rfk rfp rfr rfs rft rfu ric rid rie rif rii rik rip rir ris rit rkc rke rkf rkk rkp rks rkt rku rpc rpd rpe rpf rpi rpk rpp rpr rps rpt rpu rrc rrd rrf rri rrk rrp rrr rrs rrt rru rsc rsd rse rsf rsi rsk rsp rsr rss rst rsu rtc rtd rte rtf rti rtk rtp rtr rts rtt rtu ruc rud rue ruf rui ruk rup rur rus rut ruu scc scd sce scf sci sck scp scr scs sct scu sdc sdd sde sdf sdi sdk sdp sdr sds sdt sdu se- sec sed see sef sei sek sep ser ses set seu sfc sfd sfe sff sfi sfk sfp sfr sfs sft sfu sic sid sie sif sii sik sip sir sis sit siu sk- skc skd ske skf ski skk skp skr