-ol b-u bbb bbf bbi bbl bbn bbo bbs bbu bfb bff bfi bfl bfn bfo bfs bfu bi- bib bif bii bil bin bio bis biu blb blf bli bll bln blo bls blu bnb bnf bni bnl bnn bno bns bnu bob bof boi bol bon boo bos bou bsb bsf bsi bsl bsn bso bss bsu bub buf bui bul bun buo bus buu fbb fbf fbi fbl fbn fbo fbs fbu fff ffi ffl ffn ffo ffs ffu fib fif fii fil fin fis fiu flb flf fli fll fln flo fls flu fnb fnf fni fnl fnn fns fnu fob fof foi fol fon foo fos fou fsb fsf fsi fsl fsn fso fss fsu fub fuf fui ful fun fuo fus fuu i-f ibb ibf ibi ibl ibn ibo ibs ibu ifb iff ifi ifl ifn ifo ifs ifu iib iif iii iil iin iio iis iiu il- ilb ilf ili ill iln ilo ils ilu in- inb inf ini inl inn ino ins inu io- iob iof ioi iol ion ioo ios iou is- isb isf isi isl isn iso iss isu iu- iub iui ius lbb lbf lbi lbl lbo lbs lbu lfb lff lfi lfl lfn lfo lfs lfu lib lif lii lil lin lio lis liu llb llf lli lll lln llo lls llu lnb lni lnl lnn lno lns lnu lob lof loi lol lon loo los lou lsb lsf lsi lsl lsn lso lss lsu lub luf lui lul lun luo lus luu n-i nbb nbf nbi nbl nbn nbo nbs nbu nfb nff nfi nfl nfn nfo nfs nfu nib nif nii nil nin nio nis niu nlb nlf nli nll nln nlo nls nlu nnb nnf nni nnl nnn nno nns nnu no- nob nof noi nol non noo nos nou nsb nsf nsi nsl nsn nso nss nsu nub nui nul nun nuo nus nuu o-i ob- obb obf obi obl obn obo obs obu of- ofb off ofi ofl ofn ofo ofs ofu oib oif oii oil oin oio ois oiu olb olf oli oll oln olo ols olu on- onb onf oni onl onn ono ons onu oo- oob oof ooi ool oon ooo oos os- osb osf osi osl osn oso oss osu ou- ouf oui oul oun ouo ous sbb sbf sbi sbl sbn sbo sbs sbu sfb sff sfi sfl sfn sfo sfs sfu sib sif sii sil sin sio sis siu slb slf sli sll sln slo sls slu snb snf sni snl snn sno sns snu sob sof soi sol son soo sos sou ss- ssb ssf ssi ssl ssn sso sss ssu sub suf sui sul sun suo sus suu ubb ubf ubi ubl ubn ubo ubs ubu uff ufi ufl ufn ufo ufs ufu uib uif uii uil uin uio uis uiu ulb ulf uli ull uln ulo uls ulu un- unb unf uni unl unn uno uns unu uob uol uon uoo uos usb usf usi usl usn uso uss usu uun uus uuu