ddd ddi ddn ddo dds ddt di- did dii din dio dis dit dnd dni dnn dno dns dnt dod doi don doo dos dot dsd dsi dsn dso dss dst dtd dti dtn dto dts dtt i-d idd idi idn ido ids idt iid iii iin iio iis iit in- ind ini inn ino ins int io- iod ioi ion ioo ios iot is- isd isi isn iso iss ist itd iti itn ito its itt n-i ndd ndi ndn ndo nds ndt nid nii nin nio nis nit nni nnn nno nns nnt no- nod noi non noo nos not nsd nsi nsn nso nss nst ntd nti ntn nto nts ntt o-i odd odi odn odo ods odt oid oii oin oio ois oit on- ond oni onn ono ons ont oo- ood ooi oon ooo oos oot os- osd osi osn oso oss ost ot- otd oti otn oto ots ott sdd sdi sdn sdo sds sdt sid sii sin sio sis sit snd sni snn sno sns snt sod soi son soo sos sot ss- ssd ssi ssn sso sss sst std sti stn sto sts stt tdd tdi tdn tdo tds tdt tid tii tin tio tis tit tnd tni tnn tno tns tnt to- tod toi ton too tos tot tsd tsi tsn tso tss tst ttd tti ttn tto tts ttt