-er -ic c-- ccc cce cci cck ccl ccn ccp ccr ccs cct ce- cec cee cei cek cel cen cep cer ces cet ci- cic cie cii cik cil cin cip cir cis cit ckc cki cks ckt cl- clc cle cli clk cll cln clp clr cls clt cn- cnc cne cni cnl cnn cnp cnr cns cnt cpc cpe cpi cpk cpl cpn cpp cpr cps cpt crc cre cri crk crl crn crp crr crs crt csc cse csi csk csl csn csp csr css cst ctc cte cti ctk ctl ctn ctp ctr cts ctt ec- ecc ece eci eck ecl ecn ecr ecs ect eec eee eek eel een eep eer ees eet eic eie eii eik eil ein eip eir eis eit ekc eke eki ekl ekp ekr eks ekt elc ele eli elk ell eln elp elr els elt en- enc ene eni enk enl enn enp enr ens ent ep- epc epe epi epl epn epp epr eps ept erc ere eri erk erl ern erp err ers ert es- esc ese esi esk esl esn esp esr ess est etc ete eti etk etl etn etp etr ets ett icc ice ici ick icl icn icp icr ics ict ie- iec iee iei iek iel ien iep ier ies iet iic iie iii iil iin iip iir iis iit ikc ike iki ikk ikl ikr iks ikt il- ilc ile ili ilk ill iln ilp ilr ils ilt in- inc ine ini ink inl inn inp inr ins int ipc ipe ipi ipl ipn ipp ipr ips ipt ir- irc ire iri irk irl irn irp irr irs irt is- isc ise isi isk isl isn isp isr iss ist itc ite iti itk itl itn itp its itt k-t kcc kce kci kck kcl kcn kcp kcr kcs kct ke- kec kee kei kek kel ken kep ker kes ket kic kie kii kik kil kin kip kir kis kit kkc kke kki kkk kkl kkn kkp kkr kks kkt kl- klc kli klr kls klt kn- knc kne kni knk knl knn knp knr knt kpc kpe kpi kpk kpl kpn kpp kpr kps kpt krc kri krk krl krn krp krr krs krt ksc kse ksi ksk ksl ksn ksp ksr kss kst ktc kte ktk ktl ktn ktp ktr kts ktt l-p lcc lce lci lck lcl lcn lcp lcr lcs lct lec lee lei lek lel len lep ler les let lic lie lii lik lil lin lip lir lis lit lkl lkp lkr lks lkt llc lle lli llk lll lln llp llr lls llt lnc lne lni lnk lnl lnn lnp lnr lns lnt lpc lpe lpi lpk lpl lpn lpp lpr lps lpt lrc lri lrk lrn lrp lrr lrs lrt lsc lse lsi lsk lsl lsn lsp lsr lss lst ltc lte lti ltk ltl ltp ltr lts ltt n-i ncc nce nci nck ncl ncn ncp ncr ncs nct ne- nec nee nei nek nel nen nep ner nes net nic nie nii nik nil nin nip nir nis nit nkc nke nki nkk nkn nkp nkr nks nkt nlc nle nli nlk nll nln nlp nlr nls nlt nnc nne nni nnk nnl nnn nnp nns nnt npc npe npi npl npn npp npr nps npt nrc nre nri nrk nrl nrn nrp nrr nrs nrt nsc nse nsi nsk nsl nsn nsp nsr nss nst ntc nte nti ntk ntn ntp ntr nts ntt p-p pcc pce pci pck pcl pcn pcp pcr pcs pct pec pee pei pek pel pen pep per pes pet pic pie pii pik pil pin pip pir pis pit pkc pke pki pkl pkn pkp pkr pks pkt plc ple pli plk pll pln plp plr pls plt pn- pnc pne pni pnk pnl pnn pnp pnr pns pnt ppc ppe ppi ppk ppl ppn ppp ppr pps ppt prc pre pri prk prl prn prp prr prs prt ps- psc pse psi psk psl psn psp psr pss pst pt- ptc pte pti ptk ptl ptn ptp ptr pts ptt rcc rce rci rcl rcn rcp rcr rcs rct re- rec ree rei rek rel ren rep rer res ret ric rie rii rik ril rin rip rir ris rit rkc rke rkk rkp rks rkt rlc rle rli rll rln rlp rlr rls rlt rnc rni rnn rnp rnr rns rnt rpc rpe rpi rpk rpl rpn rpp rpr rps rpt rrc rri rrk rrl rrn rrp rrr rrs rrt rsc rse rsi rsk rsl rsn rsp rsr rss rst rtc rte rti rtk rtl rtn rtp rtr rts rtt scc sce sci sck scl scn scp scr scs sct se- sec see sei sek sel sen sep ser ses set sic sie sii sik sil sin sip sir sis sit sk- skc ske ski skk skl skp skr sks skt slc sle sli slk sll sln slp slr sls slt snc sne sni snk snl snn snp snr sns snt spc spe spi spk spl spn spp spr sps spt sr- src sre sri srk srl srn srp srr srs srt ss- ssc sse ssi ssk ssl ssn ssp ssr sss sst stc ste sti stk stl stn stp str sts stt tcc tce tci tck tcl tcn tcp tcr tcs tct te- tec tee tei tek tel ten tep ter tes tet tic tie tii tik til tin tip tir tis tit tkc tke tkk tkl tkp tkr tks tkt tlc tle tli tlk tll tln tlp tlr tls tlt tnc tne tni tnk tnl tnn tnp tnr tns tnt tpc tpe tpi tpk tpl tpn tpp tpr tps tpt trc tre tri trk trl trn trp trr trs trt tsc tse tsi tsk tsl tsn tsp tsr tss tst ttc tte tti ttk ttl ttn ttp ttr tts ttt