Single spaced. This practice is for the keys that are the hardest for me, the bottom right hand row. job. ham. hob. jab, jam, mob, ohm. ova, foam. jamb, lamb. lash, last. lath, loath. lobs. farm, faro, foam, fork, form, harm, hear. hour. jamb. jour. ovum, raku, roam, abhor, abohm, soar, sofa. soft, soma. sorb. stab, star. stoa, stub. sulk, surf. tabs, talk. taco, taro. task, thou. thru, thus. tofu, tomb. talk, tall.