ddd ddi ddk ddn ddo ddt di- did dii dik din dio dit dki dkk dko dkt dnd dni dnk dnn dno dnt dod doi dok don doo dot dtd dti dtk dtn dto dtt i-d idd idi idk idn ido idt iid iii iin iio iit iki ikk iko ikt in- ind ini ink inn ino int io- iod ioi ion ioo iot itd iti itk itn ito itt k-t kdk kdo kdt kid kii kik kin kio kit kki kkk kkn kkt kn- knd kni knk knn kno knt kod koi kok kon koo kot ktk ktn kto ktt n-i ndd ndi ndk ndn ndo ndt nid nii nik nin nio nit nki nkk nkn nko nkt nni nnk nnn nno nnt no- nod noi nok non noo not ntd nti ntk ntn nto ntt o-i odd odi odn odo odt oid oii oik oin oio oit okd oki okk oko on- ond oni onk onn ono ont oo- ood ooi ook oon ooo oot ot- otd oti otk otn oto ott tdd tdi tdk tdn tdo tdt tid tii tik tin tio tit tkk tko tkt tnd tni tnk tnn tno tnt to- tod toi tok ton too tot ttd tti ttk ttn tto ttt