-er -ic -ol c-- ccc cce ccf cci cck ccl cco ccr ccs cct ce- cec cee cef cei cek cel ceo cer ces cet cfc cfe cff cfi cfk cfl cfo cfr cfs cft ci- cic cie cif cii cik cil cio cir cis cit ckc cki cko cks ckt cl- clc cle clf cli clk cll clo clr cls clt co- coc coe cof coi cok col coo cor cos cot crc cre crf cri crk crl cro crr crs crt csc cse csf csi csk csl cso csr css cst ctc cte ctf cti ctk ctl cto ctr cts ctt ec- ecc ece ecf eci eck ecl eco ecr ecs ect eec eee eef eek eel eeo eer ees eet ef- efc efe eff efi efl efo efr efs eft eic eie eif eii eik eil eio eir eis eit ekc eke ekf eki ekl eko ekr eks ekt elc ele elf eli elk ell elo elr els elt eo- eoc eoe eof eoi eok eol eoo eor eos eot erc ere erf eri erk erl ero err ers ert es- esc ese esf esi esk esl eso esr ess est etc ete etf eti etk etl eto etr ets ett fcc fce fcf fci fck fcl fco fcr fcs fct fec fee fef fei fek fel feo fer fes fet ffc ffe fff ffi ffk ffl ffo ffr ffs fft fic fie fif fii fik fil fir fis fit fkc fkf fki fkk fkl fkt flc fle flf fli fll flo flr fls flt foc foe fof foi fok fol foo for fos fot frc fre frf fri frk frl fro frr frs frt fsc fse fsf fsi fsk fsl fso fsr fss fst ftc fte ftf fti ftk ftl fto ftr fts ftt i-f icc ice icf ici ick icl ico icr ics ict ie- iec iee ief iei iek iel ier ies iet ifc ife iff ifi ifl ifo ifr ifs ift iic iie iif iii iil iio iir iis iit ikc ike ikf iki ikk ikl iko ikr iks ikt il- ilc ile ilf ili ilk ill ilo ilr ils ilt io- ioc ioe iof ioi iol ioo ior ios iot ir- irc ire irf iri irk irl iro irr irs irt is- isc ise isf isi isk isl iso isr iss ist itc ite itf iti itk itl ito its itt k-t kcc kce kci kck kcl kcr kcs kct ke- kec kee kef kei kek kel keo ker kes ket kfc kff kfi kfo kfs kic kie kif kii kik kil kio kir kis kit kkc kke kki kkk kkl kkr kks kkt kl- klc klf kli klo klr kls klt koc koe kof koi kok kol koo kor kos kot krc krf kri krk krl kro krr krs krt ksc kse ksf ksi ksk ksl kso ksr kss kst ktc kte ktf ktk ktl kto ktr kts ktt lcc lce lcf lci lck lcl lco lcr lcs lct lec lee lef lei lek lel leo ler les let lfc lfe lff lfi lfk lfl lfo lfr lfs lft lic lie lif lii lik lil lio lir lis lit lkl lkr lks lkt llc lle llf lli llk lll llo llr lls llt loc loe lof loi lok lol loo lor los lot lrc lrf lri lrk lro lrr lrs lrt lsc lse lsf lsi lsk lsl lso lsr lss lst ltc lte ltf lti ltk ltl lto ltr lts ltt o-i oc- occ ocf oci ock ocl oco ocr ocs oct oec oee oef oei oel oeo oer oes oet of- ofc ofe off ofi ofl ofo ofr ofs oft oic oie oif oii oik oil oio oir ois oit okc oke oki okk okl oko okr oks olc ole olf oli olk oll olo ols olt oo- ooc oof ooi ook ool ooo oor oos oot or- orc ore orf ori ork orl oro orr ors ort os- osc ose osf osi osk osl oso osr oss ost ot- otc ote otf oti otk otl oto otr ots ott rcc rce rcf rci rcl rco rcr rcs rct re- rec ree ref rei rek rel reo rer res ret rfc rfe rff rfi rfk rfl rfo rfr rfs rft ric rie rif rii rik ril rio rir ris rit rkc rke rkf rkk rko rks rkt rlc rle rlf rli rll rlo rlr rls rlt roc roe rof roi rok rol roo ror ros rot rrc rrf rri rrk rrl rrr rrs rrt rsc rse rsf rsi rsk rsl rso rsr rss rst rtc rte rtf rti rtk rtl rto rtr rts rtt scc sce scf sci sck scl sco scr scs sct se- sec see sef sei sek sel seo ser ses set sfc sfe sff sfi sfk sfl sfo sfr sfs sft sic sie sif sii sik sil sio sir sis sit sk- skc ske skf ski skk skl sko skr sks skt slc sle slf sli slk sll slo slr sls slt soc soe sof soi sok sol soo sor sos sot sr- src sre srf sri srk srl sro srr srs srt ss- ssc sse ssf ssi ssk ssl sso ssr sss sst stc ste stf sti stk stl sto str sts stt tcc tce tcf tci tck tcl tco tcr tcs tct te- tec tee tef tei tek tel teo ter tes tet tfc tfe tff tfi tfk tfl tfo tfr tfs tft tic tie tif tii tik til tio tir tis tit tkc tke tkk tkl tko tkr tks tkt tlc tle tlf tli tlk tll tlo tlr tls tlt to- toc toe tof toi tok tol too tor tos tot trc tre trf tri trk trl tro trr trs trt tsc tse tsf tsi tsk tsl tso tsr tss tst ttc tte ttf tti ttk ttl tto ttr tts ttt