a-a a-c aaa aac aae aah aak aan aap ac- aca acc ace ach ack acn acp aea aec aee aeh aek aen aep aha ahc ahe ahh ahk ahn ahp aka akc ake akh akk akn akp an- ana anc ane anh ank ann anp ap- apa apc ape aph apk apn app c-- caa cac cae cah cak can cap cca ccc cce cch cck ccn ccp ce- cea cec cee ceh cek cen cep ch- cha chc che chh chk chn chp cka ckc ckh cn- cna cnc cne cnh cnn cnp cpa cpc cpe cph cpk cpn cpp eaa eac eae eah eak ean eap ec- eca ecc ece ech eck ecn eea eec eee eek een eep eha ehc ehe ehh ehn ehp eka ekc eke ekh ekp en- ena enc ene enh enk enn enp ep- epa epc epe eph epn epp haa hac hae hah hak han hap hca hcc hce hch hck hcn hcp he- hea hec hee heh hek hen hep hha hhc hhe hhh hhk hhn hhp hka hkh hkk hkn hkp hna hnc hne hnh hnk hnn hpa hpc hpe hph hpk hpn hpp ka- kaa kac kae kah kak kan kap kca kcc kce kch kck kcn kcp ke- kea kec kee keh kek ken kep kha khe khh khk khn kkc kke kkh kkk kkn kkp kn- kna knc kne knk knn knp kpa kpc kpe kph kpk kpn kpp naa nac nae nah nak nan nap nca ncc nce nch nck ncn ncp ne- nea nec nee neh nek nen nep nha nhc nhe nhh nhk nhn nhp nka nkc nke nkk nkn nkp nna nnc nne nnh nnk nnn nnp npa npc npe nph npn npp p-p paa pac pae pah pak pan pap pca pcc pce pch pck pcn pcp pea pec pee peh pek pen pep pha phc phe phk phn php pka pkc pke pkn pkp pn- pna pnc pne pnh pnk pnn pnp ppa ppc ppe pph ppk ppn ppp