-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

-ous bbbb bbbs bbin bblb bbls bibb bibi bibl bibo bibs biin biis bili bill bilo bils bilu bin- bini binn bino bins binu bio- bioi biol bion bios biou birb biri birl birn biro birr birs biru bis- bisl biso biss bisu blin blio blir blis blls blni blno blob blon bloo blou blss blub blur blus bnib bnin bnor bnrr bnss bobb bobi bobo bobs bobu boi- boii boil boin bois boiu boli boll boln bolo bols bolu boni bonn bono bons bonu boob bool boon boor boos bor- bori born boro borr bors boru bosi bosn boso boss bosu boul boun bour bous bril brin brio bris brls brno brns brob brol bron broo bror bros brou brrr brrs brsb brsr brun brus bsin bsns bson bsos bubb bubi bubo bubs bubu buin buir buis buiu bulb buli bull buls bulu bunb buni bunn buno buns bunu buol buon bur- burb buri burl burn buro burr burs buru busi buss busu buus i-no ibis ibns ibon ibos ibri ibro ibsn ibss ibus iiii iiio iiis iino iioi iioo iios iirs iisi iisr iisu ilin ilio ilir ilis ill- illi illo ills ilni ilno iloo ilos ilus inbo inis inni inno innr inns innu ino- inoi inol inon inor inos inou inri inro inrs inso inss insu inui inul inun inus iobi ioii ioio iolo ioni ionn iono ions iooi iooo ioos iori iors ioso iosu ioun ious iri- iril irin irio iris irlb irob iron irri irrs irul irun irus isbl isbn isil isin isis isls isno iso- isol ison isor isos isri issi isso issr isss issu isus iuiu iuno iuss lblr lbos lbrs libo libr libs libu liii liin liir liis lilb lili lill lilo lils lilu linn lino lins lio- lion lior lios liri lirl lirn liro lirr lirs liru lisi liso liss lisu liun lius llbs llll lloo lnso lob- lobb lobi lobo lobs loin loir lois loiu loli loll lolo lols loni lono lonr lons loob lool loon loor loos lori lorn loro lors losi loso loss loui loul loun lour lous louu lroi lron lrrr ls-r lsbu lson lsso lssr lubs luin luis luli lull lulu luni lunn luno luns luri lurs lusi luso luss n-ii nbbo nibi nibo nibs niir niiu nili nill nilo nils nilu nini ninl nino nins nion nioo nios niou niro nirs niru nisi nisl niso niss nisu niur nlls nlrb nnls nnnn nnos nnsl nnss nobi nobo nobs nobu noib noil noin noio noir nois noli noll nolo nols non- noni nonn nono nons nonu noo- noob nool noon nooo noor noos nor- norb nori norn noro norr nors nos- noss nosu noul noun nour nous nrlb nron nrrl nsbo nsin nsis nslr nsls nsnr nsos nsou nsrl nssb nsso nssr nsss nsub nubi nubl nubs nuin nuli null nunn nuno nuns nuon nuri nurl nurn nurr nurs nuru nusi nusl nuss nusu obbo