UNFORTIFIABLE

ab ae ai al an ar at ba be bi bo ef el en er et fa fe if in it la li lo na ne no nu oe of oi on or re ta ti to un ut

abo aff aft ail ain air ait alb ale alt ane ani ant arb are arf art ate bal ban bar bat bel ben bet bin bio bit boa bot bra bro bun bur but ear eat eau eff eft elf eon era ern eta fab fan far fat fen fer fet feu fib fie fil fin fir fit flu fob foe fon for fou fro fub fun fur iff ion ire lab lar lat lea lei let leu lib lie lin lit lob lot nab nae neb net nib nil nit nob nor not nub nut oaf oar oat oba obe obi off oft oil ole one ora orb ore ort our out rai ran rat reb ref rei ret ria rib rif rin rob roe rot rub rue run rut tab tae tan tao tar tau tea tel ten tie til tin toe ton tor tub tui tun urb urn uta ute

abet able abri abut aeon aero airn airt alef alif alit aloe alto anil ante anti aril aunt auto baff bail bait bale bane bani bare barf barn bate bean bear beat beau belt bent beta bier biff bile bine bint birl biro bite blae blat blet blin blot blue blur boar boat boff boil bola bole bolt bone bora bore born bort bota bout brae bran brat bren brie brin brio brit brut buff buna bunt bura burl burn bute earl earn ebon elan enol enuf etna etui euro fail fain fair fane fano fare farl faro fart fate faun feal fear feat felt fern feta fiar fiat fief fife fila file filo fine fino fire firn flab flan flat flea flir flit floe flub flue foal foil foin font fora forb fore fort foul four frae frat fret frit froe fuel furl ilea ilia info inia inro inti into iota iron lain lair lane lari late lati latu leaf lean lear left leno lent liar lief lien lier lieu life lift line lino lint lion lira lire liri lite litu loaf loan lobe loft loin lone lore lorn lota loti lour lout lube luff luna lune lunt lure lute nabe naff naif nail naoi near neat neif nite noel noil noir nori nota note nurl obia obit olea oral orle raff raft rail rain rale rani rant rate rato real reft reif rein rent rial riel rife riff rift rile riot rite roan robe roil role rolf rota rote roti rotl roue rout rube ruff ruin rule rune runt tabu tael tail tain tale tali tare tarn taro teal tear teff tela tern tier tiff tile tine tire tirl tiro toea toff tofu toil tola tole tolu tone tora tore tori torn tour tref trio true tuba tube tufa tuff tule tuna tune turf turn ulan ulna unai unbe unit unto urea