a-a a-c aaa aac aae aag aak aan aau ac- aca acc ace acg ack acn acu aea aec aee aeg aek aen aeu ag- aga agc age agg agk agn agu aka akc ake akg akk akn aku an- ana anc ane ang ank ann anu au- aua auc aue aug auk aun c-- caa cac cae cag cak can cau cca ccc cce ccg cck ccn ccu ce- cea cec cee ceg cek cen ceu cga cgc cge cgg cgn cgu cka ckc cn- cna cnc cne cng cnn cnu cua cuc cue cug cuk cun cuu eaa eac eae eag eak ean eau ec- eca ecc ece ecg eck ecn ecu eea eec eee eeg eek een ega egc ege egg egn egu eka ekc eke ekg eku en- ena enc ene eng enk enn enu eu- eua euc eue eug eun gaa gac gae gag gak gan gau gca gcc gce gcg gck gcn gcu ge- gea gec gee geg gek gen geu gga ggc ggg ggn ggu gka gkn gna gnc gne gnn gnu gu- gua guc gue gug guk gun guu ka- kaa kac kae kag kak kan kau kca kcc kce kcg kck kcn kcu ke- kea kec kee keg kek ken kga kgc kgu kkc kke kkk kkn kku kn- kna knc kne kng knk knn knu kuc kue kug kuk kun kuu naa nac nae nag nak nan nau nca ncc nce ncg nck ncn ncu ne- nea nec nee neg nek nen neu nga ngc nge ngg ngk ngn ngu nka nkc nke nkk nkn nku nna nnc nne nng nnk nnn nnu nua nuc nue nug nuk nun nuu ua- uaa uac uae uag uak uan uau uca ucc uce ucg uck ucn ucu uea uec uee ueg uen uga ugc uge ugg ugk ugn ugu uka ukc uke ukk ukn uku un- una unc une ung unk unn unu uua uuc uue uug uun uuu