PYRIMIDINES

de ed em en er es id in is me mi my ne pe pi re si ye

den dey die dim din dip dis dry dye eds ems end ens ern ers ids imp ins ire ism med men mid mir mis nim nip ped pen per pes pie pin pis pry psi pye red rei rem rep res rid rim rin rip rye sei sen ser sim sin sip sir spy sri syn yen yep yes yid yin yip

demy deni dens deny derm deys dies dime dims dine dins dips dire drip drys dyer dyes dyne emir emyd ends erns espy idem ides imid impi imps ired ires irid iris meds mend midi mids mien mind mine mini mips mire miri mirs miry mise nerd nide nidi nims nips nisi peds pein pend pens peri perm pied pier pies pine pins piny pirn prey prim pyes pyin pyre reds rein reis rems rend reps ride rids rime rims rimy rind rins ripe rips rise ryes rynd semi send side simp sine sipe sire sned snip snye sped spin spry syne yens yeps yids yins yipe yips yird