Yesterday:

abhor baht bath bathe bather berth bertha betroth BETROTHAL blah blather both bother breath broth brothel earth hale haler halo halt halter hare harlot hart hate hater hatter heal hear heart heat helot herb herbal hero hoar hoer hole holt hotel hotter lath lathe lather loath loathe oath other rehab rhea that theta thole threat throat throb throe troth