-ol b-u bbb bbf bbi bbl bbn bbo bbr bbu bfb bff bfi bfl bfn bfo bfr bfu bi- bib bif bii bil bin bio bir biu blb blf bli bll bln blo blr blu bnb bnf bni bnl bnn bno bnr bnu bob bof boi bol bon boo bor bou brb brf bri brl brn bro brr bru bub buf bui bul bun buo bur buu fbb fbf fbi fbl fbn fbo fbr fbu fff ffi ffl ffn ffo ffr ffu fib fif fii fil fin fir fiu flb flf fli fll fln flo flr flu fnb fnf fni fnl fnn fnr fnu fob fof foi fol fon foo for fou frb frf fri frl frn fro frr fru fub fuf fui ful fun fuo fur fuu i-f ibb ibf ibi ibl ibn ibo ibr ibu ifb iff ifi ifl ifn ifo ifr ifu iib iif iii iil iin iio iir iiu il- ilb ilf ili ill iln ilo ilr ilu in- inb inf ini inl inn ino inr inu io- iob iof ioi iol ion ioo ior iou ir- irb irf iri irl irn iro irr iru iu- iub iui iur lbb lbf lbi lbl lbo lbr lbu lfb lff lfi lfl lfn lfo lfr lfu lib lif lii lil lin lio lir liu llb llf lli lll lln llo llr llu lnb lni lnl lnn lno lnr lnu lob lof loi lol lon loo lor lou lrb lrf lri lrn lro lrr lru lub luf lui lul lun luo lur luu n-i nbb nbf nbi nbl nbn nbo nbr nbu nfb nff nfi nfl nfn nfo nfr nfu nib nif nii nil nin nio nir niu nlb nlf nli nll nln nlo nlr nlu nnb nnf nni nnl nnn nno nnu no- nob nof noi nol non noo nor nou nrb nrf nri nrl nrn nro nrr nru nub nui nul nun nuo nur nuu o-i ob- obb obf obi obl obn obo obr obu of- ofb off ofi ofl ofn ofo ofr ofu oib oif oii oil oin oio oir oiu olb olf oli oll oln olo olu on- onb onf oni onl onn ono onr onu oo- oob oof ooi ool oon ooo oor or- orb orf ori orl orn oro orr oru ou- ouf oui oul oun ouo our rbb rbf rbi rbl rbn rbo rbr rbu rfb rff rfi rfl rfn rfo rfr rfu rib rif rii ril rin rio rir rlf rli rll rln rlo rlr rlu rnb rni rnn rno rnr rnu rob rof roi rol ron roo ror rou rrb rrf rri rrl rrn rrr rru rub ruf rui run ruo rur ruu ubb ubf ubi ubl ubn ubo ubr ubu uff ufi ufl ufn ufo ufr ufu uib uif uii uil uin uio uir uiu ulb ulf uli ull uln ulo ulr ulu un- unb unf uni unl unn uno unr unu uob uol uon uoo uor ur- urb urf uri url urn uro urr uru uun uur uuu

bbbb bbfn bbin bblb bffl bibb bibi bibl bibo biff bifi biin bili bill bilo bilu bin- bini binn bino binu bio- bioi biol bion biou birb biri birl birn biro birr biru blin blio blir blni blno blob blon bloo blou blub bluf blur bnib bnin bnor bnrr bobb bobi bobo bobu boff bofu boi- boii boil boin boiu boli boll boln bolo bolu boni bonn bono bonu boob boof bool boon boor bor- borf bori born boro borr boru bouf boul boun bour brfu bril brin brio brno brob brol bron broo bror brou brrr brun bubb bubi bubo bubu buff bufo bufr buif buin buir buiu bulb buli bull bulu bunb buni bunn buno bunu buol buon bur- burb buri burl burn buro burr buru ffff ffii ffrr ffun fiff fifi fifo fiii fiil fili fill filn filo fini finn fino fion fior firn flii flin flnb flob flon floo flor flou flub fluf fluo flur fnuf fofo foil foin foli foll folo folr fono foof fool foon for- forb fori forl forn foro forr foul foun four frib fril frin frio frob frol fron frou frub frun fubb fubu fuff fufu fuil fuir fuli full fulu funf fuor fur- furi furl furn furo furr i-no ibfi ibon ibri ibro ifbb ifil ifni ifno ifnr ifor ifrb ifrf ifri iiii iiio iino iioi iioo ilin ilio ilir ill- illi illo ilni ilno iloo inbo infi infl info inni inno innr innu ino- inoi inol inon inor inou inri inro inui inul inun iobi ioii ioio iolo ioni ionn iono ioof iooi iooo iori ioun irfu iri- iril irin irio irlb irob iron irri irul irun iuiu iuno lblr libo libr libu liff lifl lifo liii liin liir lilb lili lill lilo lilu linn lino lio- lion lior liri lirl lirn liro lirr liru liuf liun llll lloo lob- lobb lobi lobo loff lofi lofn loif loin loir loiu loli loll lolo loni lono lonr loob loof lool loon loor lori lorn loro loui loul loun lour louu lrif lroi lron lrrr luff lufu luif luin luli lull lulu luni lunn luno luri n-ii nbbo nbfl nbuf nfff nfib nfon nibi nibo niff niir niiu nili nill nilo nilu nini ninl nino nion nioo niou niro niru niur nlrb nnnn nobi nobo nobu nofi noib noif noil noin noio noir nolf noli noll nolo non- noni nonn nono nonu noo- noob nool noon nooo noor nor- norb norf nori norn noro norr noul noun nour nrlb nron nrrl nubi nubl nuff nuin nuli null nunn nuno nuon nuri nurl nurn nurr nuru obbo obin oblu oboi obol obon obor obri obro off- offo offr offu ofno ofor oiii oion olbo olib olin olio olli ollo olof olon olor olur onil onir onlf onni onno onon onor onur oobi ooff oolo oooo orbb orbi orbo orbu orff orfi orfu ori- orif oril orin orio orlo orlu orni orno oro- orof oron oror orri orro orub ouff ouii ouin ouir