-ol b-u bbb bbi bbl bbn bbo bbr bbs bbu bi- bib bii bil bin bio bir bis biu blb bli bll bln blo blr bls blu bnb bni bnl bnn bno bnr bns bnu bob boi bol bon boo bor bos bou brb bri brl brn bro brr brs bru bsb bsi bsl bsn bso bsr bss bsu bub bui bul bun buo bur bus buu ibb ibi ibl ibn ibo ibr ibs ibu iib iii iil iin iio iir iis iiu il- ilb ili ill iln ilo ilr ils ilu in- inb ini inl inn ino inr ins inu io- iob ioi iol ion ioo ior ios iou ir- irb iri irl irn iro irr irs iru is- isb isi isl isn iso isr iss isu iu- iub iui iur ius lbb lbi lbl lbo lbr lbs lbu lib lii lil lin lio lir lis liu llb lli lll lln llo llr lls llu lnb lni lnl lnn lno lnr lns lnu lob loi lol lon loo lor los lou lrb lri lrn lro lrr lrs lru lsb lsi lsl lsn lso lsr lss lsu lub lui lul lun luo lur lus luu n-i nbb nbi nbl nbn nbo nbr nbs nbu nib nii nil nin nio nir nis niu nlb nli nll nln nlo nlr nls nlu nnb nni nnl nnn nno nns nnu no- nob noi nol non noo nor nos nou nrb nri nrl nrn nro nrr nrs nru nsb nsi nsl nsn nso nsr nss nsu nub nui nul nun nuo nur nus nuu o-i ob- obb obi obl obn obo obr obs obu oib oii oil oin oio oir ois oiu olb oli oll oln olo ols olu on- onb oni onl onn ono onr ons onu oo- oob ooi ool oon ooo oor oos or- orb ori orl orn oro orr ors oru os- osb osi osl osn oso osr oss osu ou- oui oul oun ouo our ous rbb rbi rbl rbn rbo rbr rbs rbu rib rii ril rin rio rir ris rli rll rln rlo rlr rls rlu rnb rni rnn rno rnr rns rnu rob roi rol ron roo ror ros rou rrb rri rrl rrn rrr rrs rru rsb rsi rsl rsn rso rsr rss rsu rub rui run ruo rur rus ruu sbb sbi sbl sbn sbo sbr sbs sbu sib sii sil sin sio sir sis siu slb sli sll sln slo slr sls slu snb sni snl snn sno snr sns snu sob soi sol son soo sor sos sou sr- srb sri srl srn sro srr srs ss- ssb ssi ssl ssn sso ssr sss ssu sub sui sul sun suo sur sus suu ubb ubi ubl ubn ubo ubr ubs ubu uib uii uil uin uio uir uis uiu ulb uli ull uln ulo ulr uls ulu un- unb uni unl unn uno unr uns unu uob uol uon uoo uor uos ur- urb uri url urn uro urr urs uru usb usi usl usn uso usr uss usu uun uur uus uuu