NONVARIABLENESS

aa ab ae ai al an ar as ba be bi bo el en er es in is la li lo na ne no oe oi on or os re si so

aal aas aba abo abs ail ain air ais ala alb ale als ana ane ani arb are ars ass ava ave avo baa bal ban bar bas bee bel ben bes bin bio bis boa bos bra bro ear eel els ens eon era ere ern ers ess eve inn ins ion ire lab lar las lav lea lee lei les lev lib lie lin lis lob nab nae nan neb nee nib nil nob nor nos oar oba obe obi oes oil ole one ons ora orb ore ors ose ova rai ran ras reb ree rei res rev ria rib rin rob roe sab sae sal sea see sei sel sen ser sib sin sir sis sob sol son sos sri van var vas vee via vie vis voe

aals abas able abos abri aeon aero ails ains airn airs alae alan alar alas alba albs alee ales aloe also anal anas anes anil anis anna anoa anon ansa arbs area ares aria aril arse arvo asea aver aves avos baal baas bail bale bals bane bani bans bare barn bars base bass bean bear been beer bees bels bene bens bias bier bile bine bins bios birl biro bise blae blin boar boas boil bola bole bone bora bore born boss brae bran bras bree bren brie brin brio bris bros earl earn ears ease eave ebon eels elan else enol eons eras erne erns eros eses esne even ever eves evil ilea inns inro ions ires iron isba isle labs lain lair lane lari lars lase lass lava lave lavs lean lear leas leer lees leis leno lens less leva levo liar libs lien lier lies line linn lino lins lion lira lire live loan lobe lobs loin lone lore lorn lose loss love naan nabe nabs nail nala nana nans naoi naos nave near nebs nene neon ness neve nevi nibs nils nine nobs noel noes noil noir nona none nori nose nova oars obas obes obia obis oils olea oles ones oral orbs ores orle osar oses ossa oval oven over raia rail rain rais rale rani rase rave real rebs reel rees rein reis revs rial rias ribs riel rile rins rise rive roan robe robs roes roil role rose rove sabe sabs sail sain sale sals sane sans sari save seal sear seas seel seen seer sees seis sels sene sera sere sers sial sibs silo sine sins sire sirs slab slob sloe snib snob soar soba sobs soil sola sole soli sols sone sons sora sorb sore sori sorn sris vail vain vair vale vane vans vara vars vasa vase veal veer vees veil vein vela vena vera verb vial vibe vier vies vile vina vine vino viol virl visa vise voes vole