b-u bbb bbi bbn bbo bbr bbu bi- bib bii bin bio bir biu biz bnb bni bnn bno bnr bnu bnz bob boi bon boo bor bou boz brb bri brn bro brr bru brz bub bui bun buo bur buu buz bzn bzo bzr bzu bzz ibb ibi ibn ibo ibr ibu ibz iib iii iin iio iir iiu in- inb ini inn ino inr inu io- iob ioi ion ioo ior iou ir- irb iri irn iro irr iru iu- iub iui iur iuz izi izo izu izz n-i nbb nbi nbn nbo nbr nbu nib nii nin nio nir niu niz nnb nni nnn nno nnu nnz no- nob noi non noo nor nou noz nrb nri nrn nro nrr nru nrz nub nui nun nuo nur nuu nzb nzi nzo nzz o-i ob- obb obi obn obo obr obu oib oii oin oio oir oiu oiz on- onb oni onn ono onr onu oo- oob ooi oon ooo oor or- orb ori orn oro orr oru orz ou- oui oun ouo our ozo ozu ozz rbb rbi rbn rbo rbr rbu rib rii rin rio rir riz rnb rni rnn rno rnr rnu rnz rob roi ron roo ror rou roz rrb rri rrn rrr rru rub rui run ruo rur ruu ruz rzb rzo ubb ubi ubn ubo ubr ubu uib uii uin uio uir uiu un- unb uni unn uno unr unu uob uon uoo uor ur- urb uri urn uro urr uru urz uun uur uuu uzb uzi uzo uzu zbb zbr zib zin zio zir ziz znn zno zo- zob zoi zon zoo zor zou zro zub zui zun zur zuz zzr zzz

bbbb bbin bibb bibi bibo biin bin- bini binn bino binu binz bio- bioi bion biou birb biri birn biro birr biru bizu bizz bnib bnin bnor bnrr bobb bobi bobo bobu boi- boii boin boiu boni bonn bono bonu boob boon boor booz bor- bori born boro borr boru borz boun bour bozi bozo brin brio briz brno brob bron broo bror brou broz brrr brun bruz bubb bubi bubo bubu buin buir buiu bunb buni bunn buno bunu bunz buon bur- burb buri burn buro burr buru burz buuz buzi buzz bzou bzzz i-no ibon ibri ibro iiii iiio iino iioi iioo inbo inni inno innr innu ino- inoi inon inor inou inoz inri inro inui inun iobi ioii ioio ioni ionn iono iooi iooo iori ioun iri- irin irio irob iron irri irun iuiu iuno izon izzo n-ii nbbo nibi nibo niir niiu nini nino nion nioo niou niro niru niur nnnn nobi nobo nobu noib noin noio noir non- noni nonn nono nonu noo- noob noon nooo noor nor- norb nori norn noro norr noun nour nozi nron nubi nuin nunn nuno nuon nuri nurn nurr nuru nuzi nzrb obbo obin oboi obon obor obri obro oiii oion onir onni onno onon onor onoz onur onzo oobi oooo oozi orbb orbi orbo orbu ori- orin orio orni orno oro- oron oror oroz orri orro orub orzo orzu ouii ouin ouir oun- our- ourn ouro ouu- ouzo ozon ozun rbbb rbbr rib- ribo ribu riin rinn rino rion riou rioz riri rizi rizu rizz rnbr rnin rob- robb robi robo robu roin roio roir roiu roiz roni rono roob rooi roon roor rooz rori roro roru roub roun rouz rozi rozz rrrr rrun rubb rubi rubu ruin ruiz runi runn runo ruri ruro ruru ruun ruzi ubbi ubbo ubii ubir ubon uirr uni- unii unin unio unir unni unno unon unro unuz uor- urbi urib urin uriu urni uro- uroo urri urun urur uruz uuni uuno uuri uuuu uzin uzon uzun uzzi z-ro zibo zinn zino zion ziri ziro zizi zizz zobo zoio zon- zoni zoo- zoon zorb zori zorn zoro zozo zozu zrin zubi zubo zubr zubu zuni zunz zuoz zurb zurn zurr zuru zuun zuzu zzzz

bibbo bibin bibio bibri binub bionz birin birni biron birou birun birur bizin bizon bizou bizzi bizzo bo-bo bobbi bobin bobr bobri boiro bonin bonio bonon bonou bonzo boorn booru borbo borin borio born- borno bornu boro- boron boroo borou borro borun borzu bouin bouni bouri bourn bozon bozoo brini brinn brion briou brizo brizz brobo broin broni bronn bronz broon broun brrrr bruin bruiu bruni brunn bruno bruri bruun bruzz bubon buirn bunin bunun bunzi buono burin burio burn- buron buroo buroz burri burro burru burun buzin buzon buzzi buzzr i-bon ibbur ibibo iborn iiiii iiuni inbin inini inio inio- inion inniu inonu inoor inorb inori inour inrio inrun inurn iono- ioooi ioooo iorio irinn irion irobo irono irori irour iunno izori nibbi niibi ninib ninon ninur niono nioro niriz nnooo no-no nobin nobob nobuo non-u nonin nonio nonni nonno noobz noonu noori norbu norin norio noron norro norun nouni nouri nozno nu-nu nunni nunon nunun nuoro nurin nurri nurun o-bon o-r-b obion oboro obzor oino- oinoi oiron oizon onibi onin onion onir- oniro onoon onorn onour onrio ooioo oonin ooooo oribi orino orion orni- ornon orobo orono oronz orrin oruro ouir- ouoro ourno ozin- oznoz oznur ozoir ozon- ozono ozoro ribbi ribin ribno ribo- ribon rinzu rioni rizon rizzi rizzo ro-ro robbi robbo robin robo- robon robor robun robur ronin ronno rorbu roriz rozin rozno rozzi rubbi rubin rubio rubon rubor ruino ruiru runin runiz runo- runon ruzin u-n-i u-nii ubirr ubobo uiro unini uninn union unnun unnur unoor unorn unrun unurn urin- uroob urour urroz urubu ururi uuuuu zbrui zibib zinio zirin zizoo zizzi znin zonbu zonin zono- zonuz zooni zorbo zorin zorro zorzi zu-zu zubin zzzzz

bbbbbb bibiri bibiru binino biniou bio-in biobor biribi birini birori bizniz bobbin bobbio bobino bobiri bobrun bobzin boinn boiron bonbon bonini bonino bonnin bonnor bonobo bononi bonzun bonzzo booboo borbon borbor borino bornin bornon bororo boruni borzoi boubou bounou bourou bouzin bribir bribri brinno brioni brizio brizon brizzi bronin bronno brouin brubru bruino brunii bruron bruzio bruzon bubbio bubino bubion buborn bububu bunion burbur burion burior buriro