a-a a-c aaa aac aae aah aak aap ac- aca acc ace ach ack acp aea aec aee aeh aek aep aha ahc ahe ahh ahk ahp aka akc ake akh akk akp ap- apa apc ape aph apk app c-- caa cac cae cah cak cap cca ccc cce cch cck ccp ce- cea cec cee ceh cek cep ch- cha chc che chh chk chp cka ckc ckh cpa cpc cpe cph cpk cpp eaa eac eae eah eak eap ec- eca ecc ece ech eck eea eec eee eek eep eha ehc ehe ehh ehp eka ekc eke ekh ekp ep- epa epc epe eph epp haa hac hae hah hak hap hca hcc hce hch hck hcp he- hea hec hee heh hek hep hha hhc hhe hhh hhk hhp hka hkh hkk hkp hpa hpc hpe hph hpk hpp ka- kaa kac kae kah kak kap kca kcc kce kch kck kcp ke- kea kec kee keh kek kep kha khe khh khk kkc kke kkh kkk kkp kpa kpc kpe kph kpk kpp p-p paa pac pae pah pak pap pca pcc pce pch pck pcp pea pec pee peh pek pep pha phc phe phk php pka pkc pke pkp ppa ppc ppe pph ppk ppp