-ic -ol c-- ccc ccf cci ccl cco ccs cct cfc cff cfi cfl cfo cfs cft ci- cic cif cii cil cio cis cit cl- clc clf cli cll clo cls clt co- coc cof coi col coo cos cot csc csf csi csl cso css cst ctc ctf cti ctl cto cts ctt fcc fcf fci fcl fco fcs fct ffc fff ffi ffl ffo ffs fft fic fif fii fil fis fit flc flf fli fll flo fls flt foc fof foi fol foo fos fot fsc fsf fsi fsl fso fss fst ftc ftf fti ftl fto fts ftt i-f icc icf ici icl ico ics ict ifc iff ifi ifl ifo ifs ift iic iif iii iil iio iis iit il- ilc ilf ili ill ilo ils ilt io- ioc iof ioi iol ioo ios iot is- isc isf isi isl iso iss ist itc itf iti itl ito its itt lcc lcf lci lcl lco lcs lct lfc lff lfi lfl lfo lfs lft lic lif lii lil lio lis lit llc llf lli lll llo lls llt loc lof loi lol loo los lot lsc lsf lsi lsl lso lss lst ltc ltf lti ltl lto lts ltt o-i oc- occ ocf oci ocl oco ocs oct of- ofc off ofi ofl ofo ofs oft oic oif oii oil oio ois oit olc olf oli oll olo ols olt oo- ooc oof ooi ool ooo oos oot os- osc osf osi osl oso oss ost ot- otc otf oti otl oto ots ott scc scf sci scl sco scs sct sfc sff sfi sfl sfo sfs sft sic sif sii sil sio sis sit slc slf sli sll slo sls slt soc sof soi sol soo sos sot ss- ssc ssf ssi ssl sso sss sst stc stf sti stl sto sts stt tcc tcf tci tcl tco tcs tct tfc tff tfi tfl tfo tfs tft tic tif tii til tio tis tit tlc tlf tli tll tlo tls tlt to- toc tof toi tol too tos tot tsc tsf tsi tsl tso tss tst ttc ttf tti ttl tto tts ttt