ddd ddi ddn ddo dds ddt ddx ddy di- did dii din dio dis dit dix diy dnd dni dnn dno dns dnt dny dod doi don doo dos dot dox doy dsd dsi dsn dso dss dst dsx dsy dtd dti dtn dto dts dtt dtx dty dxd dxi dxn dxo dxs dxt dxx dy- dyd dyn dyo dys dyy i-d idd idi idn ido ids idt idx idy iid iii iin iio iis iit iix in- ind ini inn ino ins int inx iny io- iod ioi ion ioo ios iot is- isd isi isn iso iss ist isy itd iti itn ito its itt itx ity ixi ixn ixy iyo iys iyt iyy n-i ndd ndi ndn ndo nds ndt ndy nid nii nin nio nis nit nix nni nnn nno nns nnt no- nod noi non noo nos not nox noy nsd nsi nsn nso nss nst nsx nsy ntd nti ntn nto nts ntt ntx nxd nxt nyd nyn nyo nys nyt nyx nyy o-i odd odi odn odo ods odt oid oii oin oio ois oit on- ond oni onn ono ons ont onx ony oo- ood ooi oon ooo oos oot oox os- osd osi osn oso oss ost osx ot- otd oti otn oto ots ott ox- oxi oxn oxo oxt oxx oxy oyd oyi oyo oys sdd sdi sdn sdo sds sdt sdy sid sii sin sio sis sit six snd sni snn sno sns snt sny sod soi son soo sos sot sox soy ss- ssd ssi ssn sso sss sst ssx std sti stn sto sts stt stx sty sxi sxn sxs sxt sy- syd syi syn sys syt syx t-x tdd tdi tdn tdo tds tdt tdx tdy tid tii tin tio tis tit tix tiy tnd tni tnn tno tns tnt tnx to- tod toi ton too tos tot tox toy tsd tsi tsn tso tss tst tsx tsy ttd tti ttn tto tts ttt ttx tty txi txn txs txt tyd tyn tyo tys tyt xdi xds xdt xii xin xio xis xit xix xno xns xod xoi xon xoo xos xot xox xsi xss xst xti xts xtx xty xxi xxo xxx xxy xyy ydn ydo yds ydt ydy yid yii yin yio yis yit ynd ynn yns yny yod yoi yon yoo yos yot yox yoy ysi yso yss yst ysy ytd ytn yto yts ytt yxy yys yyt yyy