BIFRONTAL

ab ai al an ar at ba bi bo fa if in it la li lo na no of oi on or ta ti to

abo aft ail ain air ait alb alt ani ant arb arf art bal ban bar bat bin bio bit boa bot bra bro fab fan far fat fib fil fin fir fit fob fon for fro ion lab lar lat lib lin lit lob lot nab nib nil nit nob nor not oaf oar oat oba obi oft oil ora orb ort rai ran rat ria rib rif rin rob rot tab tan tao tar til tin ton tor

abri airn airt alif alit alto anil anti aril bail bait bani barf barn bint birl biro blat blin blot boar boat boil bola bolt bora born bort bota bran brat brin brio brit fail fain fair fano farl faro fart fiar fiat fila filo fino firn flab flan flat flir flit foal foil foin font fora forb fort frat frit info inro into iota iron lain lair lari lati liar lift lino lint lion lira loaf loan loft loin lorn lota loti naif nail naoi noil noir nori nota obia obit oral raft rail rain rani rant rato rial rift riot roan roil rolf rota roti rotl tail tain tali tarn taro tirl tiro toil tola tora tori torn trio