-er a-a a-c aaa aac aae aag aah aar aaw ac- aca acc ace acg ach acr acw aea aec aee aeg aeh aer aew ag- aga agc age agg agh agr agw aha ahc ahe ahg ahh ahr ahw ar- ara arc are arg arh arr arw aw- awa awc awe awg awh awr aww c-- caa cac cae cag cah car caw cca ccc cce ccg cch ccr ccw ce- cea cec cee ceg ceh cer cew cga cgc cge cgg cgh cgr cgw ch- cha chc che chg chh chr chw cra crc cre crg crh crr crw cw- cwa cwc cwe cwg cwh cwr eaa eac eae eag eah ear eaw ec- eca ecc ece ecg ech ecr ecw eea eec eee eeg eer eew ega egc ege egg egh egr egw eha ehc ehe ehg ehh ehr era erc ere erg erh err erw ewa ewc ewe ewr eww gaa gac gae gag gah gar gaw gca gcc gce gcg gch gcr gcw ge- gea gec gee geg geh ger gew gga ggc ggg ggh ggr ggw gha ghc ghe ghg ghh ghr gra grc gre grg grh grr grw gwa gwc gwe gwg gwr haa hac hae hag hah har haw hca hcc hce hcg hch hcr hcw he- hea hec hee heg heh her hew hga hgc hge hgg hgh hgr hgw hha hhc hhe hhg hhh hhr hhw hr- hra hrc hre hrg hrh hrr hrw hw- hwa hwe hwg hwr hww ra- raa rac rae rag rah rar raw rca rcc rce rcg rch rcr rcw re- rea rec ree reg reh rer rew rga rgc rge rgg rgh rgr rgw rh- rha rhc rhe rhg rhh rhr rra rrc rrg rrh rrr rwa rwc rwe rwh rwr waa wac wae wag wah war waw wca wcc wce wcg wch wcr wcw wea wec wee weg weh wer wew wga wgc wgh wgr wgw wh- wha whc whh whr whw wr- wra wrc wre wrg wrh wrr wrw wwa wwc wwe www