c-- ccc cce ccg ccn cco ccp ce- cec cee ceg cen ceo cep cgc cge cgg cgn cgo cgp cn- cnc cne cng cnn cno cnp co- coc coe cog con coo cop cpc cpe cpg cpn cpo cpp ec- ecc ece ecg ecn eco eec eee eeg een eeo eep egc ege egg egn ego egp en- enc ene eng enn eno enp eo- eoc eoe eog eon eoo eop ep- epc epe epg epn epo epp g-p gcc gce gcg gcn gco gcp ge- gec gee geg gen geo gep ggc ggg ggn ggo ggp gnc gne gnn gno gnp goc goe gog gon goo gop gpc gpe gpg gpn gpo gpp ncc nce ncg ncn nco ncp ne- nec nee neg nen neo nep ngc nge ngg ngn ngo ngp nnc nne nng nnn nno nnp no- noc noe nog non noo nop npc npe npg npn npo npp oc- occ ocg ocn oco ocp oec oee oeg oen oeo oep ogc oge ogg ogn ogo ogp on- onc one ong onn ono onp oo- ooc oog oon ooo oop op- opc ope opg opn opo opp p-p pcc pce pcg pcn pco pcp pec pee peg pen peo pep pgc pge pgg pgn pgo pgp pn- pnc pne png pnn pno pnp poc poe pog pon poo pop ppc ppe ppg ppn ppo ppp