-er -ic c-- ccc cce cci cck ccn ccp ccr ccs cct ce- cec cee cei cek cen cep cer ces cet ci- cic cie cii cik cin cip cir cis cit ckc cki cks ckt cn- cnc cne cni cnn cnp cnr cns cnt cpc cpe cpi cpk cpn cpp cpr cps cpt crc cre cri crk crn crp crr crs crt csc cse csi csk csn csp csr css cst ctc cte cti ctk ctn ctp ctr cts ctt ec- ecc ece eci eck ecn ecr ecs ect eec eee eek een eep eer ees eet eic eie eii eik ein eip eir eis eit ekc eke eki ekp ekr eks ekt en- enc ene eni enk enn enp enr ens ent ep- epc epe epi epn epp epr eps ept erc ere eri erk ern erp err ers ert es- esc ese esi esk esn esp esr ess est etc ete eti etk etn etp etr ets ett icc ice ici ick icn icp icr ics ict ie- iec iee iei iek ien iep ier ies iet iic iie iii iin iip iir iis iit ikc ike iki ikk ikr iks ikt in- inc ine ini ink inn inp inr ins int ipc ipe ipi ipn ipp ipr ips ipt ir- irc ire iri irk irn irp irr irs irt is- isc ise isi isk isn isp isr iss ist itc ite iti itk itn itp its itt k-t kcc kce kci kck kcn kcp kcr kcs kct ke- kec kee kei kek ken kep ker kes ket kic kie kii kik kin kip kir kis kit kkc kke kki kkk kkn kkp kkr kks kkt kn- knc kne kni knk knn knp knr knt kpc kpe kpi kpk kpn kpp kpr kps kpt krc kri krk krn krp krr krs krt ksc kse ksi ksk ksn ksp ksr kss kst ktc kte ktk ktn ktp ktr kts ktt n-i ncc nce nci nck ncn ncp ncr ncs nct ne- nec nee nei nek nen nep ner nes net nic nie nii nik nin nip nir nis nit nkc nke nki nkk nkn nkp nkr nks nkt nnc nne nni nnk nnn nnp nns nnt npc npe npi npn npp npr nps npt nrc nre nri nrk nrn nrp nrr nrs nrt nsc nse nsi nsk nsn nsp nsr nss nst ntc nte nti ntk ntn ntp ntr nts ntt p-p pcc pce pci pck pcn pcp pcr pcs pct pec pee pei pek pen pep per pes pet pic pie pii pik pin pip pir pis pit pkc pke pki pkn pkp pkr pks pkt pn- pnc pne pni pnk pnn pnp pnr pns pnt ppc ppe ppi ppk ppn ppp ppr pps ppt prc pre pri prk prn prp prr prs prt ps- psc pse psi psk psn psp psr pss pst pt- ptc pte pti ptk ptn ptp ptr pts ptt rcc rce rci rcn rcp rcr rcs rct re- rec ree rei rek ren rep rer res ret ric rie rii rik rin rip rir ris rit rkc rke rkk rkp rks rkt rnc rni rnn rnp rnr rns rnt rpc rpe rpi rpk rpn rpp rpr rps rpt rrc rri rrk rrn rrp rrr rrs rrt rsc rse rsi rsk rsn rsp rsr rss rst rtc rte rti rtk rtn rtp rtr rts rtt scc sce sci sck scn scp scr scs sct se- sec see sei sek sen sep ser ses set sic sie sii sik sin sip sir sis sit sk- skc ske ski skk skp skr sks skt snc sne sni snk snn snp snr sns snt spc spe spi spk spn spp spr sps spt sr- src sre sri srk srn srp srr srs srt ss- ssc sse ssi ssk ssn ssp ssr sss sst stc ste sti stk stn stp str sts stt tcc tce tci tck tcn tcp tcr tcs tct te- tec tee tei tek ten tep ter tes tet tic tie tii tik tin tip tir tis tit tkc tke tkk tkp tkr tks tkt tnc tne tni tnk tnn tnp tnr tns tnt tpc tpe tpi tpk tpn tpp tpr tps tpt trc tre tri trk trn trp trr trs trt tsc tse tsi tsk tsn tsp tsr tss tst ttc tte tti ttk ttn ttp ttr tts ttt