-er -ic -ol c-- ccc cce ccf cci ccl cco ccr ccs cct ce- cec cee cef cei cel ceo cer ces cet cfc cfe cff cfi cfl cfo cfr cfs cft ci- cic cie cif cii cil cio cir cis cit cl- clc cle clf cli cll clo clr cls clt co- coc coe cof coi col coo cor cos cot crc cre crf cri crl cro crr crs crt csc cse csf csi csl cso csr css cst ctc cte ctf cti ctl cto ctr cts ctt ec- ecc ece ecf eci ecl eco ecr ecs ect eec eee eef eel eeo eer ees eet ef- efc efe eff efi efl efo efr efs eft eic eie eif eii eil eio eir eis eit elc ele elf eli ell elo elr els elt eo- eoc eoe eof eoi eol eoo eor eos eot erc ere erf eri erl ero err ers ert es- esc ese esf esi esl eso esr ess est etc ete etf eti etl eto etr ets ett fcc fce fcf fci fcl fco fcr fcs fct fec fee fef fei fel feo fer fes fet ffc ffe fff ffi ffl ffo ffr ffs fft fic fie fif fii fil fir fis fit flc fle flf fli fll flo flr fls flt foc foe fof foi fol foo for fos fot frc fre frf fri frl fro frr frs frt fsc fse fsf fsi fsl fso fsr fss fst ftc fte ftf fti ftl fto ftr fts ftt i-f icc ice icf ici icl ico icr ics ict ie- iec iee ief iei iel ier ies iet ifc ife iff ifi ifl ifo ifr ifs ift iic iie iif iii iil iio iir iis iit il- ilc ile ilf ili ill ilo ilr ils ilt io- ioc ioe iof ioi iol ioo ior ios iot ir- irc ire irf iri irl iro irr irs irt is- isc ise isf isi isl iso isr iss ist itc ite itf iti itl ito its itt lcc lce lcf lci lcl lco lcr lcs lct lec lee lef lei lel leo ler les let lfc lfe lff lfi lfl lfo lfr lfs lft lic lie lif lii lil lio lir lis lit llc lle llf lli lll llo llr lls llt loc loe lof loi lol loo lor los lot lrc lrf lri lro lrr lrs lrt lsc lse lsf lsi lsl lso lsr lss lst ltc lte ltf lti ltl lto ltr lts ltt o-i oc- occ ocf oci 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 oil oio oir ois oit olc ole olf oli oll olo ols olt oo- ooc oof ooi ool ooo oor oos oot or- orc ore orf ori orl oro orr ors ort os- osc ose osf osi osl oso osr oss ost ot- otc ote otf oti otl oto otr ots ott rcc rce rcf rci rcl rco rcr rcs rct re- rec ree ref rei rel reo rer res ret rfc rfe rff rfi rfl rfo rfr rfs rft ric rie rif rii ril rio rir ris rit rlc rle rlf rli rll rlo rlr rls rlt roc roe rof roi rol roo ror ros rot rrc rrf rri rrl rrr rrs rrt rsc rse rsf rsi rsl rso rsr rss rst rtc rte rtf rti rtl rto rtr rts rtt scc sce scf sci scl sco scr scs sct se- sec see sef sei sel seo ser ses set sfc sfe sff sfi sfl sfo sfr sfs sft sic sie sif sii sil sio sir sis sit slc sle slf sli sll slo slr sls slt soc soe sof soi sol soo sor sos sot sr- src sre srf sri srl sro srr srs srt ss- ssc sse ssf ssi ssl sso ssr sss sst stc ste stf sti stl sto str sts stt tcc tce tcf tci tcl tco tcr tcs tct te- tec tee tef tei tel teo ter tes tet tfc tfe tff tfi tfl tfo tfr tfs tft tic tie tif tii til tio tir tis tit tlc tle tlf tli tll tlo tlr tls tlt to- toc toe tof toi tol too tor tos tot trc tre trf tri trl tro trr trs trt tsc tse tsf tsi tsl tso tsr tss tst ttc tte ttf tti ttl tto ttr tts ttt