DOWNSHIFT

do hi ho id if in is it no od of oh oi on os ow sh si so ti to wo

dif din dis dit don dos dot dow fid fin fit foh fon hid hin his hit hod hon hos hot how ids ifs ins ion its nit nod noh nos not now nth ods oft ohs ons own sin sit sod son sot sow tho tin tis tod ton tow two who win wis wit won wos wot

dhow difs dino dins dint dish dits doit dons dost doth dots down dows fido fids find fino fins fish fist fits fohn foin fond fons font hind hins hint hisn hist hits hods hons host hots howf hows info into ions nits nodi nods nosh nows nowt owns shin shit shod shot show sidh sift sinh sith snit snot snow soft soth sown stow swot thin thio this tins tods tons tosh town tows twin twos whid whin whit wind wino wins wish wist with wits wons wont wost wots