BIREFRACTING

ab ae ag ai an ar at ba be bi ef en er et fa fe if in it na ne re ta ti

ace act aft age ain air ait ane ani ant arb arc are arf art ate bag ban bar bat beg ben bet big bin bit bra brr cab can car cat cig ear eat eft eng era erg ern err eta fab fag fan far fat fen fer fet fib fie fig fin fir fit gab gae gan gar gat gen get gib gie gin git ice ire nab nae nag neb neg net nib nit rag rai ran rat reb rec ref reg rei ret ria rib rif rig rin tab tae tag tan tar tea teg ten tic tie tin

abet abri acne acre ager agin airn airt ante anti bait bane bang bani bare barf barn bate bean bear beat bent berg beta bice bier bine bint birr bite brae brag bran brat bren brie brig brin brit cafe cage cain cane cant carb care carn carr cart cate cent cine cire cite crab crag crib crit earn etic etna face fact fain fair fane fang fare fart fate fear feat fern feta fiar fiat fice fine fire firn frae frag frat fret frig frit gaen gain gait gane garb gate gear gent geta gibe gien gift girn girt gite gnar gnat grab gran grat grin grit inia inti nabe naif narc near neat neif nice nite race raft rage ragi rain rang rani rant rare rate rear reft reif rein rent rice rife rift ring rite tace tain tang tare tarn tear tern tier tine ting tire tref trig