a-a a-c aaa aac aad aah aao aaw ac- aca acc acd ach aco acw ad- ada adc add adh ado adw aha ahc ahd ahh aho ahw aoa aoc aod aoh aoo aow aw- awa awc awd awh awo aww c-- caa cac cad cah cao caw cca ccc ccd cch cco ccw cda cdc cdd cdh cdo cdw ch- cha chc chd chh cho chw co- coa coc cod coh coo cow cw- cwa cwc cwd cwh cwo daa dac dad dah dao daw dca dcc dcd dco dcw dda ddc ddd ddh ddo ddw dh- dha dhc dhd dhh dho dhw doa doc dod doh doo dow dwa dwc dwh dwo dww haa hac had hah hao haw hca hcc hcd hch hco hcw hda hdc hdd hdh hdo hdw hha hhc hhd hhh hho hhw hoa hoc hod hoh hoo how hw- hwa hwd hwo hww oaa oac oad oah oao oaw oc- oca occ ocd och oco ocw oda odc odd odh odo oha ohc ohd ohh oho oo- ooa ooc ood ooh ooo oow owa owc owd owh owo oww waa wac wad wah wao waw wca wcc wcd wch wco wcw wda wdc wh- wha whc whd whh who whw woa woc wod woh woo wow wwa wwc wwd wwo www