-ol bbb bbf bbi bbl bbn bbo bbr bbs bbt bfb bff bfi bfl bfn bfo bfr bfs bft bi- bib bif bii bil bin bio bir bis bit blb blf bli bll bln blo blr bls blt bnb bnf bni bnl bnn bno bnr bns bnt bob bof boi bol bon boo bor bos bot brb brf bri brl brn bro brr brs brt bsb bsf bsi bsl bsn bso bsr bss bst btb btf bti btl btn bto btr bts btt fbb fbf fbi fbl fbn fbo fbr fbs fbt fff ffi ffl ffn ffo ffr ffs fft fib fif fii fil fin fir fis fit flb flf fli fll fln flo flr fls flt fnb fnf fni fnl fnn fnr fns fnt fob fof foi fol fon foo for fos fot frb frf fri frl frn fro frr frs frt fsb fsf fsi fsl fsn fso fsr fss fst ftb ftf fti ftl ftn fto ftr fts ftt i-f ibb ibf ibi ibl ibn ibo ibr ibs ibt ifb iff ifi ifl ifn ifo ifr ifs ift iib iif iii iil iin iio iir iis iit il- ilb ilf ili ill iln ilo ilr ils ilt in- inb inf ini inl inn ino inr ins int io- iob iof ioi iol ion ioo ior ios iot ir- irb irf iri irl irn iro irr irs irt is- isb isf isi isl isn iso isr iss ist itb itf iti itl itn ito its itt lbb lbf lbi lbl lbo lbr lbs lbt lfb lff lfi lfl lfn lfo lfr lfs lft lib lif lii lil lin lio lir lis lit llb llf lli lll lln llo llr lls llt lnb lni lnl lnn lno lnr lns lnt lob lof loi lol lon loo lor los lot lrb lrf lri lrn lro lrr lrs lrt lsb lsf lsi lsl lsn lso lsr lss lst ltb ltf lti ltl lto ltr lts ltt n-i nbb nbf nbi nbl nbn nbo nbr nbs nbt nfb nff nfi nfl nfn nfo nfr nfs nft nib nif nii nil nin nio nir nis nit nlb nlf nli nll nln nlo nlr nls nlt nnb nnf nni nnl nnn nno nns nnt no- nob nof noi nol non noo nor nos not nrb nrf nri nrl nrn nro nrr nrs nrt nsb nsf nsi nsl nsn nso nsr nss nst ntb ntf nti ntn nto ntr nts ntt o-i ob- obb obf obi obl obn obo obr obs obt of- ofb off ofi ofl ofn ofo ofr ofs oft oib oif oii oil oin oio oir ois oit olb olf oli oll oln olo ols olt on- onb onf oni onl onn ono onr ons ont oo- oob oof ooi ool oon ooo oor oos oot or- orb orf ori orl orn oro orr ors ort os- osb osf osi osl osn oso osr oss ost ot- otb otf oti otl otn oto otr ots ott rbb rbf rbi rbl rbn rbo rbr rbs rbt rfb rff rfi rfl rfn rfo rfr rfs rft rib rif rii ril rin rio rir ris rit rlf rli rll rln rlo rlr rls rlt rnb rni rnn rno rnr rns rnt rob rof roi rol ron roo ror ros rot rrb rrf rri rrl rrn rrr rrs rrt rsb rsf rsi rsl rsn rso rsr rss rst rtb rtf rti rtl rtn rto rtr rts rtt sbb sbf sbi sbl sbn sbo sbr sbs sbt sfb sff sfi sfl sfn sfo sfr sfs sft sib sif sii sil sin sio sir sis sit slb slf sli sll sln slo slr sls slt snb snf sni snl snn sno snr sns snt sob sof soi sol son soo sor sos sot sr- srb srf sri srl srn sro srr srs srt ss- ssb ssf ssi ssl ssn sso ssr sss sst stb stf sti stl stn sto str sts stt tbb tbf tbi tbl tbn tbo tbr tbs tbt tfb tff tfi tfl tfn tfo tfr tfs tft tib tif tii til tin tio tir tis tit tlf tli tll tln tlo tlr tls tlt tnb tnf tni tnl tnn tno tnr tns tnt to- tob tof toi tol ton too tor tos tot trb trf tri trl trn tro trr trs trt tsb tsf tsi tsl tsn tso tsr tss tst ttb ttf tti ttl ttn tto ttr tts ttt

bbbb bbbs bbfn bbin bblb bbls bffl bffs bfsi bfsr bfts bftt bibb bibi bibl bibo bibs biff bifi biin biis bili bill bilo bils bilt bin- bini binn bino bins bint bio- bioi biol bion bios biot birb biri birl birn biro birr birs birt bis- bisl biso biss bist bito bits bitt blbt blin blio blir blis blit blls blni blno blob blon bloo blot blss blst blts bnib bnin bnor bnrr bnss bobb bobi bobo bobs boff bofs boi- boii boil boin bois boit boli boll boln bolo bols bolt boni bonn bono bons bont boob boof bool boon boor boos boot bor- borf bori born boro borr bors bort bosi bosn boso boss bost botb boti botn boto bots bott bril brin brio bris brit brls brno brns brob brol bron broo bror bros brot brrr brrs brsb brsr brst bsff bsfs bsin bsns bson bsos bsts btob btor btrt btss bttb fbis fbrs ffff ffii ffrr ffss fftf fibs fiff fifi fifo fift fiii fiil fili fill filn filo fils fini finn fino fins fint fion fior fios firn firs fisi fiss fist fiti fits fitt flii flin flis flit flnb flob flon floo flor flos flot flts fnrs fntb fobs fobt fofo foil foin fois foli foll folo folr fols folt fono fons font foof fool foon foos foot for- forb fori forl forn foro forr fors fort fosb fosi foso foss fost foti foto fots fott frib fril frin frio fris frit frns frob frol fron fros frot frsb frso frst fsfi fsfo fsln fssf ft-l ftii ftlb ftos