a-a a-c aaa aac aae aah aak aan ac- aca acc ace ach ack acn aea aec aee aeh aek aen aha ahc ahe ahh ahk ahn aka akc ake akh akk akn an- ana anc ane anh ank ann c-- caa cac cae cah cak can cca ccc cce cch cck ccn ce- cea cec cee ceh cek cen ch- cha chc che chh chk chn cka ckc ckh cn- cna cnc cne cnh cnn eaa eac eae eah eak ean ec- eca ecc ece ech eck ecn eea eec eee eek een eha ehc ehe ehh ehn eka ekc eke ekh en- ena enc ene enh enk enn haa hac hae hah hak han hca hcc hce hch hck hcn he- hea hec hee heh hek hen hha hhc hhe hhh hhk hhn hka hkh hkk hkn hna hnc hne hnh hnk hnn ka- kaa kac kae kah kak kan kca kcc kce kch kck kcn ke- kea kec kee keh kek ken kha khe khh khk khn kkc kke kkh kkk kkn kn- kna knc kne knk knn naa nac nae nah nak nan nca ncc nce nch nck ncn ne- nea nec nee neh nek nen nha nhc nhe nhh nhk nhn nka nkc nke nkk nkn nna nnc nne nnh nnk nnn