-ic c-- ccc ccg cci ccn cco ccs cct ccx cgc cgg cgi cgn cgo cgs cgt ci- cic cig cii cin cio cis cit cix cn- cnc cng cni cnn cno cns cnt cnx co- coc cog coi con coo cos cot cox csc csg csi csn cso css cst csx ctc ctg cti ctn cto cts ctt ctx cxc cxi cxo cxs cxt cxx gcc gcg gci gcn gco gcs gct ggc ggg ggi ggn ggo ggs ggt gic gig gii gin gio gis git gnc gni gnn gno gns gnt goc gog goi gon goo gos got gox gsc gsg gsi gsn gso gss gst gsx gtc gtg gti gtn gto gts gtt gtx gxs gxt icc icg ici icn ico ics ict igc igg igi ign igo igs igt iic iii iin iio iis iit iix in- inc ing ini inn ino ins int inx io- ioc iog ioi ion ioo ios iot is- isc isg isi isn iso iss ist itc itg iti itn ito its itt itx ixc ixi ixn n-i ncc ncg nci ncn nco ncs nct ncx ngc ngg ngi ngn ngo ngs ngt nic nig nii nin nio nis nit nix nnc nng nni nnn nno nns nnt no- noc nog noi non noo nos not nox nsc nsg nsi nsn nso nss nst nsx ntc ntg nti ntn nto nts ntt ntx nxc nxt o-i oc- occ ocg oci ocn oco ocs oct ocx ogc ogg ogi ogn ogo ogs ogt ogx oic oii oin oio ois oit on- onc ong oni onn ono ons ont onx oo- ooc oog ooi oon ooo oos oot oox os- osc osg osi osn oso oss ost osx ot- otc otg oti otn oto ots ott ox- oxc oxi oxn oxo oxt oxx scc scg sci scn sco scs sct scx sgc sgg sgi sgn sgo sgs sgt sgx sic sig sii sin sio sis sit six snc sng sni snn sno sns snt soc sog soi son soo sos sot sox ss- ssc ssg ssi ssn sso sss sst ssx stc stg sti stn sto sts stt stx sxc sxi sxn sxs sxt t-x tcc tcg tci tcn tco tcs tct tcx tgc tgg tgi tgn tgo tgs tgt tic tig tii tin tio tis tit tix tnc tng tni tnn tno tns tnt tnx to- toc tog toi ton too tos tot tox tsc tsg tsi tsn tso tss tst tsx ttc ttg tti ttn tto tts ttt ttx txi txn txs txt xci xcx xgi xic xii xin xio xis xit xix xnc xno xns xoc xog xoi xon xoo xos xot xox xsc xsi xss xst xtc xti xts xtx xxi xxo xxx