a-a a-c aaa aac aad aan aaw ac- aca acc acd acn acw ad- ada adc add adn adw an- ana anc and ann aw- awa awc awd awn aww c-- caa cac cad can caw cca ccc ccd ccn ccw cda cdc cdd cdn cdw cn- cna cnc cnd cnn cnw cw- cwa cwc cwd cwn daa dac dad dan daw dca dcc dcd dcn dcw dda ddc ddd ddn ddw dna dnc dnd dnn dnw dwa dwc dwn dww naa nac nad nan naw nca ncc ncd ncn ncw nda ndc ndd ndn nna nnc nnn nnw nwa nwc nwd nwn waa wac wad wan waw wca wcc wcd wcn wcw wda wdc wn- wna wnc wnd wnn wnw wwa wwc wwd wwn www