-al a-a a-c aaa aac aae aag aak aal aau ac- aca acc ace acg ack acl acu aea aec aee aeg aek ael aeu ag- aga agc age agg agk agl agu aka akc ake akg akk akl aku al- ala alc ale alg alk all alu au- aua auc aue aug auk aul c-- caa cac cae cag cak cal cau cca ccc cce ccg cck ccl ccu ce- cea cec cee ceg cek cel ceu cga cgc cge cgg cgl cgu cka ckc cl- cla clc cle clg clk cll clu cua cuc cue cug cuk cul cuu eaa eac eae eag eak eal eau ec- eca ecc ece ecg eck ecl ecu eea eec eee eeg eek eel ega egc ege egg egl egu eka ekc eke ekg ekl eku ela elc ele elg elk ell elu eu- eua euc eue eug eul gaa gac gae gag gak gal gau gca gcc gce gcg gck gcl gcu ge- gea gec gee geg gek gel geu gga ggc ggg ggu gka gla glc gle glg glk gll glu gu- gua guc gue gug guk gul guu ka- kaa kac kae kag kak kal kau kca kcc kce kcg kck kcl kcu ke- kea kec kee keg kek kel kga kgc kgl kgu kkc kke kkk kkl kku kl- kla klc klg klu kuc kue kug kuk kul kuu la- laa lac lae lag lak lal lau lca lcc lce lcg lck lcl lcu lea lec lee leg lek lel leu lga lgc lge lgg lgk lgl lgu lka lkg lkl lla llc lle llg llk lll llu lua luc lue lug luk lul luu ua- uaa uac uae uag uak ual uau uca ucc uce ucg uck ucl ucu uea uec uee ueg uel uga ugc uge ugg ugk ugl ugu uka ukc uke ukk ukl uku ula ulc ule ulg ulk ull ulu uua uuc uue uug uuu