-er -ic -up c-- ccc ccd cce cci cck ccl ccp ccr ccs ccu cdc cdd cde cdi cdk cdl cdp cdr cds cdu ce- cec ced cee cei cek cel cep cer ces ceu ci- cic cid cie cii cik cil cip cir cis ciu ckc ckd cki cks cl- clc cld cle cli clk cll clp clr cls clu cpc cpd cpe cpi cpk cpl cpp cpr cps cpu crc crd cre cri crk crl crp crr crs cru csc csd cse csi csk csl csp csr css csu cuc cud cue cui cuk cul cup cur cus cuu dcc dcd dce dci dck dcl dcp dcr dcs dcu ddc ddd dde ddi ddk ddl ddp ddr dds ddu de- dec ded dee dei dek del dep der des deu di- dic did die dii dik dil dip dir dis diu dkc dke dki dkk dkl dkp dkr dks dku dl- dlc dld dle dli dlk dll dlp dlr dls dlu dpc dpd dpe dpi dpk dpl dpp dpr dps dpu drc drd dre dri drk drl drp drr drs dru dsc dsd dse dsi dsk dsl dsp dsr dss dsu duc dud due dui duk dul dup dur dus ec- ecc ecd ece eci eck ecl ecr ecs ecu ed- edc edd ede edi edk edl edp edr eds edu eec eed eee eek eel eep eer ees eic eid eie eii eik eil eip eir eis eiu ekc ekd eke eki ekl ekp ekr eks eku elc eld ele eli elk ell elp elr els elu ep- epc epd epe epi epl epp epr eps epu erc erd ere eri erk erl erp err ers eru es- esc esd ese esi esk esl esp esr ess esu eu- euc eud eue eui eul eup eur eus i-d icc icd ice ici ick icl icp icr ics icu idc idd ide idi idk idl idp idr ids idu ie- iec ied iee iei iek iel iep ier ies iic iid iie iii iil iip iir iis iiu ikc ike iki ikk ikl ikr iks iku il- ilc ild ile ili ilk ill ilp ilr ils ilu ipc ipd ipe ipi ipl ipp ipr ips ipu ir- irc ird ire iri irk irl irp irr irs iru is- isc isd ise isi isk isl isp isr iss isu iu- iuc iud iue iui iup iur ius kcc kcd kce kci kck kcl kcp kcr kcs kcu kdc kde kdk kdl kdp kdr kds kdu ke- kec ked kee kei kek kel kep ker kes kic kid kie kii kik kil kip kir kis kiu kkc kke kki kkk kkl kkp kkr kks kku kl- klc kld kli klr kls klu kpc kpd kpe kpi kpk kpl kpp kpr kps kpu krc krd kri krk krl krp krr krs kru ksc ksd kse ksi ksk ksl ksp ksr kss ksu kuc kud kue kui kuk kul kup kur kus kuu l-p lcc lcd lce lci lck lcl lcp lcr lcs lcu ldc ldd lde ldi ldk ldl ldp ldr lds ldu lec led lee lei lek lel lep ler les leu lic lid lie lii lik lil lip lir lis liu lkl lkp lkr lks llc lld lle lli llk lll llp llr lls llu lpc lpd lpe lpi lpk lpl lpp lpr lps lpu lrc lrd lri lrk lrp lrr lrs lru lsc lsd lse lsi lsk lsl lsp lsr lss lsu luc lud lue lui luk lul lup lur lus luu p-p pcc pcd pce pci pck pcl pcp pcr pcs pcu pdc pdd pde pdi pdk pdl pdp pdr pds pdu pec ped pee pei pek pel pep per pes peu pic pid pie pii pik pil pip pir pis piu pkc pkd pke pki pkl pkp pkr pks pku plc pld ple pli plk pll plp plr pls plu ppc ppd ppe ppi ppk ppl ppp ppr pps ppu prc prd pre pri prk prl prp prr prs pru ps- psc psd pse psi psk psl psp psr pss psu puc pud pue pui puk pul pup pur pus puu rcc rcd rce rci rcl rcp rcr rcs rcu rdc rdd rde rdi rdl rdp rdr rds rdu re- rec red ree rei rek rel rep rer res reu ric rid rie rii rik ril rip rir ris rkc rke rkk rkp rks rku rlc rld rle rli rll rlp rlr rls rlu rpc rpd rpe rpi rpk rpl rpp rpr rps rpu rrc rrd rri rrk rrl rrp rrr rrs rru rsc rsd rse rsi rsk rsl rsp rsr rss rsu ruc rud rue rui ruk rup rur rus ruu scc scd sce sci sck scl scp scr scs scu sdc sdd sde sdi sdk sdl sdp sdr sds sdu se- sec sed see sei sek sel sep ser ses seu sic sid sie sii sik sil sip sir sis siu sk- skc skd ske ski skk skl skp skr sks sku slc sld sle sli slk sll slp slr sls slu spc spd spe spi spk spl spp spr sps spu sr- src srd sre sri srk srl srp srr srs ss- ssc ssd sse ssi ssk ssl ssp ssr sss ssu suc sud sue sui suk sul sup sur sus suu ucc ucd uce uci uck ucl ucp ucr ucs ucu udc udd ude udi udk udl udp udr uds udu uec ued uee uei uel uep uer ues uic uid uie uii uil uip uir uis uiu ukc uke uki ukk ukl ukp ukr uku ulc uld ule uli ulk ull ulp ulr uls ulu up- upc upd upe upi upk upp upr ups upu ur- urc urd ure uri urk url urp urr urs uru usc usd use usi usk usl usp usr uss usu uuc uue uur uus uuu

c-cd cccc ccci cccl cccp cccs cccu ccdc ccdi ccdp ccdr ccds cced ccee ccel ccic ccid ccii ccil ccip ccir ccis cclc ccli ccls ccpe ccpl ccpp ccpr ccps