be bo em er es me mo oe om or os re so
bob bos bro ebb ems ers mob mor mos obe oes oms orb ore ors ose reb rem res rob roe rom ser sob som
berm bobs bomb bore bros ebbs eros mobs more mors obes omer orbs ores rebs rems robe robs roes roms rose some sorb sore
berms besom bombe bombs bores brome brose mores morse omber ombre omers robes sober
bomber bombes bromes mobber ombers ombres sobber somber sombre