-ic -ol c-- ccc ccg cci ccl cco ccr ccs cct cgc cgg cgi cgl cgo cgr cgs cgt ci- cic cig cii cil cio cir cis cit cl- clc clg cli cll clo clr cls clt co- coc cog coi col coo cor cos cot crc crg cri crl cro crr crs crt csc csg csi csl cso csr css cst ctc ctg cti ctl cto ctr cts ctt gcc gcg gci gcl gco gcr gcs gct ggc ggg ggi ggo ggr ggs ggt gic gig gii gil gio gir gis git glc glg gli gll glo glr gls glt goc gog goi gol goo gor gos got grc grg gri grl gro grr grs grt gsc gsg gsi gsl gso gsr gss gst gtc gtg gti gtl gto gtr gts gtt icc icg ici icl ico icr ics ict igc igg igi igl igo igr igs igt iic iii iil iio iir iis iit il- ilc ilg ili ill ilo ilr ils ilt io- ioc iog ioi iol ioo ior ios iot ir- irc irg iri irl iro irr irs irt is- isc isg isi isl iso isr iss ist itc itg iti itl ito its itt lcc lcg lci lcl lco lcr lcs lct lgc lgg lgi lgl lgo lgr lgs lgt lic lig lii lil lio lir lis lit llc llg lli lll llo llr lls llt loc log loi lol loo lor los lot lrc lrg lri lro lrr lrs lrt lsc lsg lsi lsl lso lsr lss lst ltc ltg lti ltl lto ltr lts ltt o-i oc- occ ocg oci ocl oco ocr ocs oct ogc ogg ogi ogl ogo ogs ogt oic oii oil oio oir ois oit olc olg oli oll olo ols olt oo- ooc oog ooi ool ooo oor oos oot or- orc org ori orl oro orr ors ort os- osc osg osi osl oso osr oss ost ot- otc otg oti otl oto otr ots ott rcc rcg rci rcl rco rcr rcs rct rgc rgg rgi rgo rgr rgs rgt ric rig rii ril rio rir ris rit rlc rlg rli rll rlo rlr rls rlt roc rog roi rol roo ror ros rot rrc rrg rri rrl rrr rrs rrt rsc rsg rsi rsl rso rsr rss rst rtc rtg rti rtl rto rtr rts rtt scc scg sci scl sco scr scs sct sgc sgg sgi sgl sgo sgr sgs sgt sic sig sii sil sio sir sis sit slc slg sli sll slo slr sls slt soc sog soi sol soo sor sos sot sr- src srg sri srl sro srr srs srt ss- ssc ssg ssi ssl sso ssr sss sst stc stg sti stl sto str sts stt tcc tcg tci tcl tco tcr tcs tct tgc tgg tgi tgl tgo tgr tgs tgt tic tig tii til tio tir tis tit tlc tlg tli tll tlo tlr tls tlt to- toc tog toi tol too tor tos tot trc trg tri trl tro trr trs trt tsc tsg tsi tsl tso tsr tss tst ttc ttg tti ttl tto ttr tts ttt