ddd ddn ddo ddr dds ddt dnd dnn dno dnr dns dnt dod don doo dor dos dot drd drn dro drr drs drt dsd dsn dso dsr dss dst dtd dtn dto dtr dts dtt ndd ndn ndo ndr nds ndt nnn nno nns nnt no- nod non noo nor nos not nrd nrn nro nrr nrs nrt nsd nsn nso nsr nss nst ntd ntn nto ntr nts ntt odd odn odo odr ods odt on- ond onn ono onr ons ont oo- ood oon ooo oor oos oot or- ord orn oro orr ors ort os- osd osn oso osr oss ost ot- otd otn oto otr ots ott rdd rdn rdo rdr rds rdt rnd rnn rno rnr rns rnt rod ron roo ror ros rot rrd rrn rrr rrs rrt rsd rsn rso rsr rss rst rtd rtn rto rtr rts rtt sdd sdn sdo sdr sds sdt snd snn sno snr sns snt sod son soo sor sos sot sr- srd srn sro srr srs srt ss- ssd ssn sso ssr sss sst std stn sto str sts stt tdd tdn tdo tdr tds tdt tnd tnn tno tnr tns tnt to- tod ton too tor tos tot trd trn tro trr trs trt tsd tsn tso tsr tss tst ttd ttn tto ttr tts ttt