-ic -ol c-- ccc ccg cci ccl cco ccs cct cgc cgg cgi cgl cgo cgs cgt ci- cic cig cii cil cio cis cit cl- clc clg cli cll clo cls clt co- coc cog coi col coo cos cot csc csg csi csl cso css cst ctc ctg cti ctl cto cts ctt gcc gcg gci gcl gco gcs gct ggc ggg ggi ggo ggs ggt gic gig gii gil gio gis git glc glg gli gll glo gls glt goc gog goi gol goo gos got gsc gsg gsi gsl gso gss gst gtc gtg gti gtl gto gts gtt icc icg ici icl ico ics ict igc igg igi igl igo igs igt iic iii iil iio iis iit il- ilc ilg ili ill ilo ils ilt io- ioc iog ioi iol ioo ios iot is- isc isg isi isl iso iss ist itc itg iti itl ito its itt lcc lcg lci lcl lco lcs lct lgc lgg lgi lgl lgo lgs lgt lic lig lii lil lio lis lit llc llg lli lll llo lls llt loc log loi lol loo los lot lsc lsg lsi lsl lso lss lst ltc ltg lti ltl lto lts ltt o-i oc- occ ocg oci ocl oco ocs oct ogc ogg ogi ogl ogo ogs ogt oic oii oil oio ois oit olc olg oli oll olo ols olt oo- ooc oog ooi ool ooo oos oot os- osc osg osi osl oso oss ost ot- otc otg oti otl oto ots ott scc scg sci scl sco scs sct sgc sgg sgi sgl sgo sgs sgt sic sig sii sil sio sis sit slc slg sli sll slo sls slt soc sog soi sol soo sos sot ss- ssc ssg ssi ssl sso sss sst stc stg sti stl sto sts stt tcc tcg tci tcl tco tcs tct tgc tgg tgi tgl tgo tgs tgt tic tig tii til tio tis tit tlc tlg tli tll tlo tls tlt to- toc tog toi tol too tos tot tsc tsg tsi tsl tso tss tst ttc ttg tti ttl tto tts ttt