ddd ddi ddn ddo ddt di- did dii din dio dit dnd dni dnn dno dnt dod doi don doo dot dtd dti dtn dto dtt i-d idd idi idn ido idt iid iii iin iio iit in- ind ini inn ino int io- iod ioi ion ioo iot itd iti itn ito itt n-i ndd ndi ndn ndo ndt nid nii nin nio nit nni nnn nno nnt no- nod noi non noo not ntd nti ntn nto ntt o-i odd odi odn odo odt oid oii oin oio oit on- ond oni onn ono ont oo- ood ooi oon ooo oot ot- otd oti otn oto ott tdd tdi tdn tdo tdt tid tii tin tio tit tnd tni tnn tno tnt to- tod toi ton too tot ttd tti ttn tto ttt