-er -ic -ol c-- ccc cce cci cck ccl cco ccp ccr ccs cct ce- cec cee cei cek cel ceo cep cer ces cet ci- cic cie cii cik cil cio cip cir cis cit ckc cki cko cks ckt cl- clc cle cli clk cll clo clp clr cls clt co- coc coe coi cok col coo cop cor cos cot cpc cpe cpi cpk cpl cpo cpp cpr cps cpt crc cre cri crk crl cro crp crr crs crt csc cse csi csk csl cso csp csr css cst ctc cte cti ctk ctl cto ctp ctr cts ctt ec- ecc ece eci eck ecl eco ecr ecs ect eec eee eek eel eeo eep eer ees eet eic eie eii eik eil eio eip eir eis eit ekc eke eki ekl eko ekp ekr eks ekt elc ele eli elk ell elo elp elr els elt eo- eoc eoe eoi eok eol eoo eop eor eos eot ep- epc epe epi epl epo epp epr eps ept erc ere eri erk erl ero erp err ers ert es- esc ese esi esk esl eso esp esr ess est etc ete eti etk etl eto etp etr ets ett icc ice ici ick icl ico icp icr ics ict ie- iec iee iei iek iel iep ier ies iet iic iie iii iil iio iip iir iis iit ikc ike iki ikk ikl iko ikr iks ikt il- ilc ile ili ilk ill ilo ilp ilr ils ilt io- ioc ioe ioi iol ioo iop ior ios iot ipc ipe ipi ipl ipo ipp ipr ips ipt ir- irc ire iri irk irl iro irp irr irs irt is- isc ise isi isk isl iso isp isr iss ist itc ite iti itk itl ito itp its itt k-t kcc kce kci kck kcl kcp kcr kcs kct ke- kec kee kei kek kel keo kep ker kes ket kic kie kii kik kil kio kip kir kis kit kkc kke kki kkk kkl kkp kkr kks kkt kl- klc kli klo klr kls klt koc koe koi kok kol koo kop kor kos kot kpc kpe kpi kpk kpl kpo kpp kpr kps kpt krc kri krk krl kro krp krr krs krt ksc kse ksi ksk ksl kso ksp ksr kss kst ktc kte ktk ktl kto ktp ktr kts ktt l-p lcc lce lci lck lcl lco lcp lcr lcs lct lec lee lei lek lel leo lep ler les let lic lie lii lik lil lio lip lir lis lit lkl lkp lkr lks lkt llc lle lli llk lll llo llp llr lls llt loc loe loi lok lol loo lop lor los lot lpc lpe lpi lpk lpl lpo lpp lpr lps lpt lrc lri lrk lro lrp lrr lrs lrt lsc lse lsi lsk lsl lso lsp lsr lss lst ltc lte lti ltk ltl lto ltp ltr lts ltt o-i oc- occ oci ock ocl oco ocp ocr ocs oct oec oee oei oel oeo oep oer oes oet oic oie oii oik oil oio oip oir ois oit okc oke oki okk okl oko okp okr oks olc ole oli olk oll olo olp ols olt oo- ooc ooi ook ool ooo oop oor oos oot op- opc ope opi opk opl opo opp opr ops opt or- orc ore ori ork orl oro orp orr ors ort os- osc ose osi osk osl oso osp osr oss ost ot- otc ote oti otk otl oto otp otr ots ott p-p pcc pce pci pck pcl pco pcp pcr pcs pct pec pee pei pek pel peo pep per pes pet pic pie pii pik pil pio pip pir pis pit pkc pke pki pkl pko pkp pkr pks pkt plc ple pli plk pll plo plp plr pls plt poc poe poi pok pol poo pop por pos pot ppc ppe ppi ppk ppl ppo ppp ppr pps ppt prc pre pri prk prl pro prp prr prs prt ps- psc pse psi psk psl pso psp psr pss pst pt- ptc pte pti ptk ptl pto ptp ptr pts ptt rcc rce rci rcl rco rcp rcr rcs rct re- rec ree rei rek rel reo rep rer res ret ric rie rii rik ril rio rip rir ris rit rkc rke rkk rko rkp rks rkt rlc rle rli rll rlo rlp rlr rls rlt roc roe roi rok rol roo rop ror ros rot rpc rpe rpi rpk rpl rpo rpp rpr rps rpt rrc rri rrk rrl rrp rrr rrs rrt rsc rse rsi rsk rsl rso rsp rsr rss rst rtc rte rti rtk rtl rto rtp rtr rts rtt scc sce sci sck scl sco scp scr scs sct se- sec see sei sek sel seo sep ser ses set sic sie sii sik sil sio sip sir sis sit sk- skc ske ski skk skl sko skp skr sks skt slc sle sli slk sll slo slp slr sls slt soc soe soi sok sol soo sop sor sos sot spc spe spi spk spl spo spp spr sps spt sr- src sre sri srk srl sro srp srr srs srt ss- ssc sse ssi ssk ssl sso ssp ssr sss sst stc ste sti stk stl sto stp str sts stt tcc tce tci tck tcl tco tcp tcr tcs tct te- tec tee tei tek tel teo tep ter tes tet tic tie tii tik til tio tip tir tis tit tkc tke tkk tkl tko tkp tkr tks tkt tlc tle tli tlk tll tlo tlp tlr tls tlt to- toc toe toi tok tol too top tor tos tot tpc tpe tpi tpk tpl tpo tpp tpr tps tpt trc tre tri trk trl tro trp trr trs trt tsc tse tsi tsk tsl tso tsp tsr tss tst ttc tte tti ttk ttl tto ttp ttr tts ttt