NONFEASIBILITY

ab ae ai al an as at ay ba be bi bo by ef el en es et fa fe if in is it la li lo na ne no oe of oi on os oy si so ta ti to ya ye yo

abo abs aby aft ail ain ais ait alb ale als alt ane ani ant any ate aye ays bal ban bas bat bay bel ben bes bet bey bin bio bis bit boa bos bot boy bye bys eat efs eft elf els ens eon eta fab fan fas fat fay fen fes fet fey fib fie fil fin fit fly fob foe fon foy ifs inn ins ion its lab las lat lay lea lei les let ley lib lie lin lis lit lob lot lye nab nae nan nay neb net nib nil nit nob nos not oaf oat oba obe obi oes oft oil ole one ons ose sab sae sal sat say sea sei sel sen set sib sin sit sly sob sol son sot soy sty syn tab tae tan tao tas tea tel ten tie til tin tis toe ton toy tye yea yen yes yet yin yob yon

abet able ably abos abye abys aeon ails ains aits albs alef ales alif alit aloe also alto alts anes anil anis anon ante anti ants ates ayes ayin bail bait bale bals bane bani bans base bast bate bats bays bean beat bels belt bens bent best beta bets beys bias bile bine bins bint bios bise bite bits blae blat blet blin blot boas boat boil bola bole bolt bone bony bota bots boys byes byte east easy eats ebon efts elan enol eons etas etna eyas fabs fail fain fane fano fans fast fate fats fays feal feat felt fens fest feta fets fiat fibs fila file filo fils fine fino fins fist fits flab flan flat flay flea fley flit floe foal fobs foes foil foin fons font foys ibis ilea ilia inby info inia inly inns inti into ions iota isba isle labs lain lane lase last late lati lats lays leaf lean leas left leis leno lens lent lest lets leys libs lief lien lies life lift line linn lino lins lint liny lion list lite lits loaf loan lobe lobs loft loin lone lose lost lota loti lots lyes lyse nabe nabs naif nail nans naoi naos nays neat nebs neif neon nest nets nibs nils nine nisi nite nits nobs noel noes noil nona none nose nosy nota note oafs oast oats obas obes obey obia obis obit ofay oils oily olea oles ones only oyes sabe safe sail sain sale salt sane sate sati seal seat seif self sent seta sial sift silo silt sine site slab slat slay slit slob sloe slot snib snit snob snot snye soba sofa soft soil sola sole soli sone soya stab stay stey stoa stob stye sybo syli syne tabs tael tail tain tale tali tans taos teal teas tela tels tens ties tile tils tine tins tiny toby toea toes toil tola tole tone tons tony toys tyes tyin tyne yean yeas yens yeti yins yobs yoni