-er a-a a-c aaa aac aae aag aah aar aau ac- aca acc ace acg ach acr acu aea aec aee aeg aeh aer aeu ag- aga agc age agg agh agr agu aha ahc ahe ahg ahh ahr ahu ar- ara arc are arg arh arr aru au- aua auc aue aug auh aur c-- caa cac cae cag cah car cau cca ccc cce ccg cch ccr ccu ce- cea cec cee ceg ceh cer ceu cga cgc cge cgg cgh cgr cgu ch- cha chc che chg chh chr chu cra crc cre crg crh crr cru cua cuc cue cug cuh cur cuu eaa eac eae eag eah ear eau ec- eca ecc ece ecg ech ecr ecu eea eec eee eeg eer ega egc ege egg egh egr egu eha ehc ehe ehg ehh ehr ehu era erc ere erg erh err eru eu- eua euc eue eug eur gaa gac gae gag gah gar gau gca gcc gce gcg gch gcr gcu ge- gea gec gee geg geh ger geu gga ggc ggg ggh ggr ggu gha ghc ghe ghg ghh ghr gra grc gre grg grh grr gru gu- gua guc gue gug gur guu haa hac hae hag hah har hau hca hcc hce hcg hch hcr he- hea hec hee heg heh her heu hga hgc hge hgg hgh hgr hgu hha hhc hhe hhg hhh hhr hhu hr- hra hrc hre hrg hrh hrr hru hua huc hue hug huh hur huu ra- raa rac rae rag rah rar rau rca rcc rce rcg rch rcr rcu re- rea rec ree reg reh rer reu rga rgc rge rgg rgh rgr rh- rha rhc rhe rhg rhh rhr rhu rra rrc rrg rrh rrr rru rua ruc rue rug ruh rur ruu ua- uaa uac uae uag uah uar uau uca ucc uce ucg uch ucr ucu uea uec uee ueg ueh uer uga ugc uge ugg ugh ugr ugu uha uhc uhe uhh uhr uhu ur- ura urc ure urg urr uru uua uuc uue uug uur uuu