b-u bbb bbf bbi bbm bbn bbo bbr bbu bfb bff bfi bfm bfn bfo bfr bfu bi- bib bif bii bim bin bio bir biu bmb bmf bmi bmm bmn bmo bmr bmu bnb bnf bni bnn bno bnr bnu bob bof boi bom bon boo bor bou brb brf bri brm brn bro brr bru bub buf bui bum bun buo bur buu fbb fbf fbi fbm fbn fbo fbr fbu fff ffi ffm ffn ffo ffr ffu fib fif fii fim fin fir fiu fmb fmf fmi fmm fmn fmo fmr fmu fnb fnf fni fnm fnn fnr fnu fob fof foi fom fon foo for fou frb frf fri frm frn fro frr fru fub fuf fui fum fun fuo fur fuu i-f ibb ibf ibi ibm ibn ibo ibr ibu ifb iff ifi ifm ifn ifo ifr ifu iib iif iii iim iin iio iir iiu im- imb imf imi imm imn imo imu in- inb inf ini inm inn ino inr inu io- iob iof ioi iom ion ioo ior iou ir- irb irf iri irm irn iro irr iru iu- iub iui ium iur m-f m-o m-r mbb mbf mbi mbm mbo mbr mbu mfb mff mfi mfm mfn mfo mfr mfu mi- mib mif mii mim min mio mir miu mmb mmf mmi mmm mmn mmo mmr mmu mnb mnf mni mnm mnn mno mnr mnu mob mof moi mom mon moo mor mou mrb mrf mri mrm mrn mro mrr mru mub muf mui mum mun mur muu n-i nbb nbf nbi nbm nbn nbo nbr nbu nfb nff nfi nfn nfo nfr nfu nib nif nii nim nin nio nir niu nmb nmi nmm nmn nmo nmr nmu nnb nnf nni nnm nnn nno nnu no- nob nof noi nom non noo nor nou nrb nrf nri nrm nrn nro nrr nru nub nui num nun nuo nur nuu o-i ob- obb obf obi obm obn obo obr obu of- ofb off ofi ofm ofn ofo ofr ofu oib oif oii oim oin oio oir oiu om- omb omf omi omm omn omo omr omu on- onb onf oni onn ono onr onu oo- oob oof ooi oom oon ooo oor or- orb orf ori orm orn oro orr oru ou- ouf oui oum oun ouo our rbb rbf rbi rbm rbn rbo rbr rbu rfb rff rfi rfm rfn rfo rfr rfu rib rif rii rim rin rio rir rmb rmf rmi rmm rmn rmo rmr rnb rni rnm rnn rno rnr rnu rob rof roi rom ron roo ror rou rrb rrf rri rrm rrn rrr rru rub ruf rui rum run ruo rur ruu ubb ubf ubi ubn ubo ubr ubu uff ufi ufm ufn ufo ufr ufu uib uif uii uim uin uio uir uiu um- umb umf umi umm umn umo umr umu un- unb unf uni unm unn uno unr unu uob uom uon uoo uor ur- urb urf uri urm urn uro urr uru uum uun uur uuu

bbbb bbfn bbin bibb bibi bibo biff bifi biin bimo bin- bini binn bino binu bio- bioi bion biou birb biri birn biro birr biru bmir bmmi bnib bnim bnin bnor bnrr bobb bobi bobo bobu boff bofu boi- boii boim boin boiu bomb bomi bomu boni bonn bono bonu boob boof boom boon boor bor- borf bori borm born boro borr boru bouf boum boun bour brfm brfu brim brin brio brno brob brom bron broo bror brou brrm brrr brum brun bubb bubi bubo bubu buff bufo bufr buif buin buir buiu bum- bumb bumf bunb buni bunn buno bunu buon bur- burb buri burm burn buro burr buru fbom ffff ffii ffrr ffun fiff fifi fifm fifo fiii fimo fimr fini finn fino fion fior firm firn fmno fmri fnuf fofo foin fomo fono foof foom foon for- forb fori form forn foro forr foun four frib frim frin frio frmn frob from fron frou frub frum frun fubb fubu fuff fufu fuir fumi fumo funf fuor fur- furi furm furn furo furr i-no ibbm ibfi ibim ibon ibri ibro ifbb ifim ifni ifno ifnr ifor ifrb ifrf ifri iiii iiio iinm iino iioi iioo iium imbi imfi imin imir immi immo imno imof imon imou imri imro imrr imun inbo infi info inni inno innr innu ino- inoi inon inor inou inri inro inui inun iobi ioii ioio iomo ioni ionn iono ioof iooi iooo iori ioun irbm irfm irfu iri- irin irio irmo irob iron irri irun iuiu iuno mbim mbio mbou mfbm mfor mfou mfri miff mifi miii miin miio mim- mimi mimo mini minn mino minu mio- mion miri miro mirr miru miui mmff mmii mmmm mmor mmrf mmun mnbb mnin mobb mobi mobo moff mofo mofu moif moii moin moio moir momi momo momu mon- moni monn mono monu moob moon moor morb morf mori morn moro moru mouf moun mour mrbb mrbm mron mubi mubo muff mufi mufu muin muir mumm mumo mumu muni munn muno munu muon muri murn muro murr muru n-ii nbbo nbuf nfff nfib nfon nibi nibm nibo niff niir niiu nimb nimi nimo nimr nimu nini nino nion nioo niou niro niru niur nmff nmon nmri nnnn nobi nobm nobo nobu nofi noib noif noin noio noir nom- nomi nomo nomu non- noni nonn nono nonu noo- noob noon nooo noor nor- norb norf nori norm norn noro norr noun nour nron nubi nuff nuim nuin numb numi numm numu nunn nuno nuon nuri nurn nurr nuru obbo obin oboi obon obor obri obro off- offo offr offu ofno ofor oiii oimb oion oium ombo ombu omim omin omio omn- omni omo- omoi omon omoo omor omri omro omuo onir onni onno onon onor onur oobi ooff oooo orbb orbi orbo orbu orff orfi orfu ori- orif orin orio ormn ormo orni orno oro- orof orom oron oror orri orro orub orum ouff ouii ouin ouir oumi oun- our- ourn ouro