OCTACHORDS

ad ah ar as at do ha ho od oh or os sh so ta to

act ado ads ahs arc ars art ash cad car cat cod coo cor cos cot dah doc dor dos dot had hao has hat hod hos hot oar oat oca oda ods oho ohs ooh oot ora orc ors ort rad rah ras rat rho roc rod rot sac sad sat sha sod sot tad tao tar tas tho tod too tor

acts ados arch arco arcs arts cads card cars cart cash cast cats chad chao char chat coat coca coco coda cods coho coos coot cord cors cosh cost cots croc dahs dart dash dato doat docs door dors dost doth dots drat hard hart hast hats hoar hods hood hoot hora host hots oars oast oath oats ocas odah odas odor oohs oots orad orca orcs ordo orts osar rads rash rath rato rats rhos road rocs rods rood root rota roto rots sard scad scar scat scot shad shat shod shoo shot soar soca soda soot sora sord sort soth star stoa tach taco tads tahr taos taro tars thro toad tods tora torc toro tors tosh trad trod tsar