-al a-a a-c aaa aac aae aag aah aak aal ac- aca acc ace acg ach ack acl aea aec aee aeg aeh aek ael ag- aga agc age agg agh agk agl aha ahc ahe ahg ahh ahk ahl aka akc ake akg akh akk akl al- ala alc ale alg alh alk all c-- caa cac cae cag cah cak cal cca ccc cce ccg cch cck ccl ce- cea cec cee ceg ceh cek cel cga cgc cge cgg cgh cgl ch- cha chc che chg chh chk chl cka ckc ckh cl- cla clc cle clg clh clk cll eaa eac eae eag eah eak eal ec- eca ecc ece ecg ech eck ecl eea eec eee eeg eek eel ega egc ege egg egh egl eha ehc ehe ehg ehh ehl eka ekc eke ekg ekh ekl ela elc ele elg elh elk ell gaa gac gae gag gah gak gal gca gcc gce gcg gch gck gcl ge- gea gec gee geg geh gek gel gga ggc ggg ggh gha ghc ghe ghg ghh ghl gka gkh gla glc gle glg glh glk gll haa hac hae hag hah hak hal hca hcc hce hcg hch hck hcl he- hea hec hee heg heh hek hel hga hgc hge hgg hgh hgk hgl hha hhc hhe hhg hhh hhk hhl hka hkg hkh hkk hkl hla hlc hle hlg hlh hll ka- kaa kac kae kag kah kak kal kca kcc kce kcg kch kck kcl ke- kea kec kee keg keh kek kel kga kgc kgh kgl kha khe khh khk kkc kke kkh kkk kkl kl- kla klc klg klh la- laa lac lae lag lah lak lal lca lcc lce lcg lch lck lcl lea lec lee leg leh lek lel lga lgc lge lgg lgh lgk lgl lha lhc lhh lhk lka lkg lkh lkl lla llc lle llg llk lll