a-a a-c aaa aac aah aan aap ac- aca acc ach acn acp aha ahc ahh ahn ahp an- ana anc anh ann anp ap- apa apc aph apn app c-- caa cac cah can cap cca ccc cch ccn ccp ch- cha chc chh chn chp cn- cna cnc cnh cnn cnp cpa cpc cph cpn cpp haa hac hah han hap hca hcc hch hcn hcp hha hhc hhh hhn hhp hna hnc hnh hnn hpa hpc hph hpn hpp naa nac nah nan nap nca ncc nch ncn ncp nha nhc nhh nhn nhp nna nnc nnh nnn nnp npa npc nph npn npp p-p paa pac pah pan pap pca pcc pch pcn pcp pha phc phn php pn- pna pnc pnh pnn pnp ppa ppc pph ppn ppp