ddd ddi ddn ddo ddr dds ddt di- did dii din dio dir dis dit dnd dni dnn dno dnr dns dnt dod doi don doo dor dos dot drd dri drn dro drr drs drt dsd dsi dsn dso dsr dss dst dtd dti dtn dto dtr dts dtt i-d idd idi idn ido idr ids idt iid iii iin iio iir iis iit in- ind ini inn ino inr ins int io- iod ioi ion ioo ior ios iot ir- ird iri irn iro irr irs irt is- isd isi isn iso isr iss ist itd iti itn ito its itt n-i ndd ndi ndn ndo ndr nds ndt nid nii nin nio nir nis nit nni nnn nno nns nnt no- nod noi non noo nor nos not nrd nri nrn nro nrr nrs nrt nsd nsi nsn nso nsr nss nst ntd nti ntn nto ntr nts ntt o-i odd odi odn odo odr ods odt oid oii oin oio oir ois oit on- ond oni onn ono onr ons ont oo- ood ooi oon ooo oor oos oot or- ord ori orn oro orr ors ort os- osd osi osn oso osr oss ost ot- otd oti otn oto otr ots ott rdd rdi rdn rdo rdr rds rdt rid rii rin rio rir ris rit rnd rni rnn rno rnr rns rnt rod roi ron roo ror ros rot rrd rri rrn rrr rrs rrt rsd rsi rsn rso rsr rss rst rtd rti rtn rto rtr rts rtt sdd sdi sdn sdo sdr sds sdt sid sii sin sio sir sis sit snd sni snn sno snr sns snt sod soi son soo sor sos sot sr- srd sri srn sro srr srs srt ss- ssd ssi ssn sso ssr sss sst std sti stn sto str sts stt tdd tdi tdn tdo tdr tds tdt tid tii tin tio tir tis tit tnd tni tnn tno tnr tns tnt to- tod toi ton too tor tos tot trd tri trn tro trr trs trt tsd tsi tsn tso tsr tss tst ttd tti ttn tto ttr tts ttt