a-ak a-ok aaaa aaac aaca aacc aack aaco aaka aaoo acaa acac acag acca accc acco acga acoa acog ag-o agac agag agao agaz agca agcc agco agga agog agoo agoz akaa akao akca akka akko akok aoca aza- azaz azca azo- azog azoo azza azzo caaa caac cac- caca cacc cack caco caga cagg cago cagz caka caoz caza cazo ccaa ccac ccag ccca cccc ccga ccgc ccoc cgac cgcc cgcg ckac ckck ckco ckga ckgo ckoa ckoc ckoo coag coak coca cock coco cogo cok- coka coko cook cozz gack gacz gaga gagg gago gaza gc-c gcaa gccc gcoa gggg goca goga gogo goog gook goza gozo kaaa kaag kaak kacc kaco kacz kag- kaga kagc kagg kago kagz kaka kakc kakk kako kaoa kaoc kaog kaok kaza kazc kazg kazo kazz kcaa kcac kcca kccc kcck kcgc kckc kckk kcko kckz kcog kcoz kczo kczz kgac kgak kgcc kgga kggg kggo kgoz kkaa kkac kkag kkck kkco kkgo kkkk kkoa kkoo kkoz kkzz koac koak koaz koca kock koga kogg kogo koka kokc kokk koko kokz kooc koog kook kooo kooz koza kozk kozo kzaz kzgo kzgz kzkz kzoo kzoz kzza kzzk kzzo kzzz ocac ocak occa occc ocga ogoa ogog okak okaz okgo okka okko okok ooaa ooak oooo ozga zaca zack zagg zago zaka zakk zaza zcgk zoco zogg zogo zoo- zook zoza zozo zzzz