c-cd cccc ccdc ccdh ccoc ccod ccow chch choc chod choh choo chow chwo coch coco codd coho cood cooh cowd cowh dccc dddd ddoc dhod dhow doch doco dod- dodd dodo dohc dood dowd dwcw dwdd dwww hccc hcch hdoc hdod hdwd hhhh hoch hodh hoho hood howd howh occc oddd odoh odoo ohcc ohho ohoh ohow ooho oooh oooo owch owoh owow wccc wccd wcch wcco wccw wcdc wcdd wcdo wcdw wchc wchd wcho wcoc wcoh wcoo wcwc wdcc wdcd wdco wdcw wddc wddd wddh wddo wddw wdhc wdoc wdod wdoh wdow wdwd whcc whco whdd whdh whdw whhd whhh whho whhw whod whoo whow whwc whwh wocc woch woco wodc wodd wohc wooc wood woow wowc wowo woww wwcd wwch wwco wwcw wwdc wwdw wwho wwod wwow wwwc wwwh wwww