a-a a-c aaa aac aag aah aan aao aap ac- aca acc acg ach acn aco acp ag- aga agc agg agh agn ago agp aha ahc ahg ahh ahn aho ahp an- ana anc ang anh ann ano anp aoa aoc aog aoh aon aoo aop ap- apa apc apg aph apn apo app c-- caa cac cag cah can cao cap cca ccc ccg cch ccn cco ccp cga cgc cgg cgh cgn cgo cgp ch- cha chc chg chh chn cho chp cn- cna cnc cng cnh cnn cno cnp co- coa coc cog coh con coo cop cpa cpc cpg cph cpn cpo cpp g-p gaa gac gag gah gan gao gap gca gcc gcg gch gcn gco gcp gga ggc ggg ggh ggn ggo ggp gha ghc ghg ghh ghn gho ghp gna gnc gnn gno gnp goa goc gog goh gon goo gop gpa gpc gpg gph gpn gpo gpp haa hac hag hah han hao hap hca hcc hcg hch hcn hco hcp hga hgc hgg hgh hgn hgo hgp hha hhc hhg hhh hhn hho hhp hna hnc hng hnh hnn hno hoa hoc hog hoh hon hoo hop hpa hpc hpg hph hpn hpo hpp naa nac nag nah nan nao nap nca ncc ncg nch ncn nco ncp nga ngc ngg ngh ngn ngo ngp nha nhc nhg nhh nhn nhp nna nnc nng nnh nnn nno nnp no- noa noc nog noh non noo nop npa npc npg nph npn npo npp oaa oac oag oah oan oao oap oc- oca occ ocg och ocn oco ocp oga ogc ogg ogh ogn ogo ogp oha ohc ohg ohh ohn oho ohp on- ona onc ong onh onn ono onp oo- ooa ooc oog ooh oon ooo oop op- opa opc opg oph opn opo opp p-p paa pac pag pah pan pao pap pca pcc pcg pch pcn pco pcp pga pgc pgg pgh pgn pgo pgp pha phc phg phn pho php pn- pna pnc png pnh pnn pno pnp poa poc pog poh pon poo pop ppa ppc ppg pph ppn ppo ppp