-ic c-- ccc cce ccf cci ccl ccs cct ce- cec cee cef cei cel ces cet cfc cfe cff cfi cfl cfs cft ci- cic cie cif cii cil cis cit cl- clc cle clf cli cll cls clt csc cse csf csi csl css cst ctc cte ctf cti ctl cts ctt ec- ecc ece ecf eci ecl ecs ect eec eee eef eel ees eet ef- efc efe eff efi efl efs eft eic eie eif eii eil eis eit elc ele elf eli ell els elt es- esc ese esf esi esl ess est etc ete etf eti etl ets ett fcc fce fcf fci fcl fcs fct fec fee fef fei fel fes fet ffc ffe fff ffi ffl ffs fft fic fie fif fii fil fis fit flc fle flf fli fll fls flt fsc fse fsf fsi fsl fss fst ftc fte ftf fti ftl fts ftt i-f icc ice icf ici icl ics ict ie- iec iee ief iei iel ies iet ifc ife iff ifi ifl ifs ift iic iie iif iii iil iis iit il- ilc ile ilf ili ill ils ilt is- isc ise isf isi isl iss ist itc ite itf iti itl its itt lcc lce lcf lci lcl lcs lct lec lee lef lei lel les let lfc lfe lff lfi lfl lfs lft lic lie lif lii lil lis lit llc lle llf lli lll lls llt lsc lse lsf lsi lsl lss lst ltc lte ltf lti ltl lts ltt scc sce scf sci scl scs sct se- sec see sef sei sel ses set sfc sfe sff sfi sfl sfs sft sic sie sif sii sil sis sit slc sle slf sli sll sls slt ss- ssc sse ssf ssi ssl sss sst stc ste stf sti stl sts stt tcc tce tcf tci tcl tcs tct te- tec tee tef tei tel tes tet tfc tfe tff tfi tfl tfs tft tic tie tif tii til tis tit tlc tle tlf tli tll tls tlt tsc tse tsf tsi tsl tss tst ttc tte ttf tti ttl tts ttt