-er -ic c-- ccc cce ccf cci ccl ccr ccs cct ce- cec cee cef cei cel cer ces cet cfc cfe cff cfi cfl cfr cfs cft ci- cic cie cif cii cil cir cis cit cl- clc cle clf cli cll clr cls clt crc cre crf cri crl crr crs crt csc cse csf csi csl csr css cst ctc cte ctf cti ctl ctr cts ctt ec- ecc ece ecf eci ecl ecr ecs ect eec eee eef eel eer ees eet ef- efc efe eff efi efl efr efs eft eic eie eif eii eil eir eis eit elc ele elf eli ell elr els elt erc ere erf eri erl err ers ert es- esc ese esf esi esl esr ess est etc ete etf eti etl etr ets ett fcc fce fcf fci fcl fcr fcs fct fec fee fef fei fel fer fes fet ffc ffe fff ffi ffl ffr ffs fft fic fie fif fii fil fir fis fit flc fle flf fli fll flr fls flt frc fre frf fri frl frr frs frt fsc fse fsf fsi fsl fsr fss fst ftc fte ftf fti ftl ftr fts ftt i-f icc ice icf ici icl icr ics ict ie- iec iee ief iei iel ier ies iet ifc ife iff ifi ifl ifr ifs ift iic iie iif iii iil iir iis iit il- ilc ile ilf ili ill ilr ils ilt ir- irc ire irf iri irl irr irs irt is- isc ise isf isi isl isr iss ist itc ite itf iti itl its itt lcc lce lcf lci lcl lcr lcs lct lec lee lef lei lel ler les let lfc lfe lff lfi lfl lfr lfs lft lic lie lif lii lil lir lis lit llc lle llf lli lll llr lls llt lrc lrf lri lrr lrs lrt lsc lse lsf lsi lsl lsr lss lst ltc lte ltf lti ltl ltr lts ltt rcc rce rcf rci rcl rcr rcs rct re- rec ree ref rei rel rer res ret rfc rfe rff rfi rfl rfr rfs rft ric rie rif rii ril rir ris rit rlc rle rlf rli rll rlr rls rlt rrc rrf rri rrl rrr rrs rrt rsc rse rsf rsi rsl rsr rss rst rtc rte rtf rti rtl rtr rts rtt scc sce scf sci scl scr scs sct se- sec see sef sei sel ser ses set sfc sfe sff sfi sfl sfr sfs sft sic sie sif sii sil sir sis sit slc sle slf sli sll slr sls slt sr- src sre srf sri srl srr srs srt ss- ssc sse ssf ssi ssl ssr sss sst stc ste stf sti stl str sts stt tcc tce tcf tci tcl tcr tcs tct te- tec tee tef tei tel ter tes tet tfc tfe tff tfi tfl tfr tfs tft tic tie tif tii til tir tis tit tlc tle tlf tli tll tlr tls tlt trc tre trf tri trl trr trs trt tsc tse tsf tsi tsl tsr tss tst ttc tte ttf tti ttl ttr tts ttt