-er a-a a-c aaa aac aae aag aak aar aaw ac- aca acc ace acg ack acr acw aea aec aee aeg aek aer aew ag- aga agc age agg agk agr agw aka akc ake akg akk akr akw ar- ara arc are arg ark arr arw aw- awa awc awe awg awk awr aww c-- caa cac cae cag cak car caw cca ccc cce ccg cck ccr ccw ce- cea cec cee ceg cek cer cew cga cgc cge cgg cgr cgw cka ckc ckw cra crc cre crg crk crr crw cw- cwa cwc cwe cwg cwk cwr eaa eac eae eag eak ear eaw ec- eca ecc ece ecg eck ecr ecw eea eec eee eeg eek eer eew ega egc ege egg egr egw eka ekc eke ekg ekr era erc ere erg erk err erw ewa ewc ewe ewk ewr eww gaa gac gae gag gak gar gaw gca gcc gce gcg gck gcr gcw ge- gea gec gee geg gek ger gew gga ggc ggg ggr ggw gka gra grc gre grg grk grr grw gwa gwc gwe gwg gwk gwr ka- kaa kac kae kag kak kar kaw kca kcc kce kcg kck kcr ke- kea kec kee keg kek ker kew kga kgc kgw kkc kke kkk kkr kra krc krg krk krr krw kw- kwa kwc kwg kwk kww ra- raa rac rae rag rak rar raw rca rcc rce rcg rcr rcw re- rea rec ree reg rek rer rew rga rgc rge rgg rgk rgr rgw rkc rke rkg rkk rra rrc rrg rrk rrr rwa rwc rwe rwr waa wac wae wag wak war waw wca wcc wce wcg wck wcr wcw wea wec wee weg wek wer wew wga wgc wgr wgw wka wkc wke wkg wkr wkw wr- wra wrc wre wrg wrk wrr wrw wwa wwc wwe www