-er a-a a-c aaa aac aae aag aak aar aau aaw ac- aca acc ace acg ack acr acu acw aea aec aee aeg aek aer aeu aew ag- aga agc age agg agk agr agu agw aka akc ake akg akk akr aku akw ar- ara arc are arg ark arr aru arw au- aua auc aue aug auk aur auw aw- awa awc awe awg awk awr awu aww c-- caa cac cae cag cak car cau caw cca ccc cce ccg cck ccr ccu ccw ce- cea cec cee ceg cek cer ceu cew cga cgc cge cgg cgr cgu cgw cka ckc ckw cra crc cre crg crk crr cru crw cua cuc cue cug cuk cur cuu cuw cw- cwa cwc cwe cwg cwk cwr cwu eaa eac eae eag eak ear eau eaw ec- eca ecc ece ecg eck ecr ecu ecw eea eec eee eeg eek eer eew ega egc ege egg egr egu egw eka ekc eke ekg ekr eku era erc ere erg erk err eru erw eu- eua euc eue eug eur ewa ewc ewe ewk ewr ewu eww gaa gac gae gag gak gar gau gaw gca gcc gce gcg gck gcr gcu gcw ge- gea gec gee geg gek ger geu gew gga ggc ggg ggr ggu ggw gka gra grc gre grg grk grr gru grw gu- gua guc gue gug guk gur guu gwa gwc gwe gwg gwk gwr gwu ka- kaa kac kae kag kak kar kau kaw kca kcc kce kcg kck kcr kcu ke- kea kec kee keg kek ker kew kga kgc kgu kgw kkc kke kkk kkr kku kra krc krg krk krr kru krw kuc kue kug kuk kur kuu kw- kwa kwc kwg kwk kww ra- raa rac rae rag rak rar rau raw rca rcc rce rcg rcr rcu rcw re- rea rec ree reg rek rer reu rew rga rgc rge rgg rgk rgr rgw rkc rke rkg rkk rku rra rrc rrg rrk rrr rru rua ruc rue rug ruk rur ruu rwa rwc rwe rwr rwu ua- uaa uac uae uag uak uar uau uaw uca ucc uce ucg uck ucr ucu ucw uea uec uee ueg uer uew uga ugc uge ugg ugk ugr ugu uka ukc uke ukk ukr uku ur- ura urc ure urg urk urr uru urw uua uuc uue uug uur uuu uwa uwc uwe uwg uwr uww waa wac wae wag wak war wau waw wca wcc wce wcg wck wcr wcu 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 wru wrw wua wuc wue wug wur wwa wwc wwe wwu www