dddd ddot ddss ddts dntt do-x dod- dodd dodo dods dond donn dono dons dont dood doon doos doot doso doss dost dotd doto dots dott dsos dssn dsst dstn dsto dsts dtot dtox dtss dttx dtxt dxds dxnd dxns dxss dxts dxxx nddo ndnt ndos ndss nnnn nnos nnot nnss nntn nodo nods non- nonn nono nons nont nonx noo- noon nooo noos noot nos- noss nost not- noto nots nott nsds nsdt nsos nsso nsss nstd nsts ntds ntnd ntss ntto nxdn oddd odds odon odoo odos odot odso odts ondo onno onod onon onos onso onst ont- onto oons oont oooo ooos oost oots osno osoo osos ossd osso osts oto- oton otoo otos otso otto otts oxo- oxon oxos oxox oxxo s-os sdds sdot sdss snns snod snoo snos snot snsd sodd sodo sods son- sond sono sons sont sood soon soos soot soso soss sost sotn soto sots soxs ssdd ssns ssot ssss sstd ssts stds stnd stnn stns stod ston stoo stos stot stox stss sttd tdss tndd tnts todd todo tods todt tonn tono tons tood toon toos toot toso toss tost tosx totd toto tots tott tox- toxo toxs toxt tsos tsst tsts tton ttss tttt xdos xoxo xson xtnd xxxo xxxx