SUBFRONTAL

ab al an ar as at ba bo fa la lo na no nu of on or os so ta to un us ut

abo abs aft alb als alt ant arb arf ars art bal ban bar bas bat boa bos bot bra bro bun bur bus but fab fan far fas fat flu fob fon for fou fro fub fun fur lab lar las lat lob lot nab nob nor nos not nub nus nut oaf oar oat oba oft ons ora orb ors ort our out ran ras rat rob rot rub run rut sab sal sat sau sob sol son sot sou sub sun tab tan tao tar tas tau ton tor tub tun uns urb urn uta uts

abos abut albs also alto alts ants anus arbs arfs arts aunt auto bals bans barf barn bars bast bats blat blot blur boar boas boat bola bolt bora born bort bota bots bout bran bras brat bros brut buna buns bunt bura burl burn burs bust buts fabs fano fans farl faro fart fast fats faun flab flan flat flub flus foal fobs fons font fora forb fort foul four frat fubs funs furl furs labs lars last lats latu loaf loan lobs loft lorn lost lota lots lour lout luna lunt lust nabs naos nobs nota nous nubs nurl nuts oafs oars oast oats obas onus oral orbs orts osar ours oust outs raft rant rato rats roan robs rolf rota rotl rots rout rubs runs runt rust ruts salt saul slab slat slob slot slub slur slut snob snot snub soar soba sofa soft sola sora sorb sorn sort soul sour stab star stoa stob stub stun suba sura surf tabs tabu tans taos tarn taro tars taus tofu tola tolu tons tora torn tors tour tsar tuba tubs tufa tuna tuns turf turn ulan ulna unto urbs urns ursa utas