-ic c-- ccc ccg cci ccn cco ccs cct ccz cgc cgg cgi cgn cgo cgs cgt ci- cic cig cii cin cio cis cit cn- cnc cng cni cnn cno cns cnt co- coc cog coi con coo cos cot coz csc csg csi csn cso css cst csz ctc ctg cti ctn cto cts ctt ctz cz- czc czo czt gcc gcg gci gcn gco gcs gct ggc ggg ggi ggn ggo ggs ggt ggz gic gig gii gin gio gis git giz gnc gni gnn gno gns gnt goc gog goi gon goo gos got goz gsc gsg gsi gsn gso gss gst gtc gtg gti gtn gto gts gtt gzo icc icg ici icn ico ics ict icz igc igg igi ign igo igs igt iic iii iin iio iis iit in- inc ing ini inn ino ins int io- ioc iog ioi ion ioo ios iot is- isc isg isi isn iso iss ist itc itg iti itn ito its itt itz izi izo izz n-i ncc ncg nci ncn nco ncs nct ngc ngg ngi ngn ngo ngs ngt nic nig nii nin nio nis nit niz nnc nng nni nnn nno nns nnt nnz no- noc nog noi non noo nos not noz nsc nsg nsi nsn nso nss nst nsz ntc ntg nti ntn nto nts ntt ntz nzg nzi nzo nzs nzz o-i oc- occ ocg oci ocn oco ocs oct ocz ogc ogg ogi ogn ogo ogs ogt oic oii oin oio ois oit oiz on- onc ong oni onn ono ons ont oo- ooc oog ooi oon ooo oos oot os- osc osg osi osn oso oss ost ot- otc otg oti otn oto ots ott otz ozo ozs ozt ozz scc scg sci scn sco scs sct sgc sgg sgi sgn sgo sgs sgt sic sig sii sin sio sis sit snc sng sni snn sno sns snt soc sog soi son soo sos sot soz ss- ssc ssg ssi ssn sso sss sst ssz stc stg sti stn sto sts stt stz szi tcc tcg tci tcn tco tcs tct tgc tgg tgi tgn tgo tgs tgt tgz tic tig tii tin tio tis tit tiz tnc tng tni tnn tno tns tnt tnz to- toc tog toi ton too tos tot toz tsc tsg tsi tsn tso tss tst ttc ttg tti ttn tto tts ttt tzs z-g zco zcs zgg zgi zgs zig zin zio zis zit ziz znc znn zno zns zo- zoc zog zoi zon zoo zos zot zsg zsi zst zsz zzs zzt zzz