-ol bbb bbi bbk bbl bbn bbo bbr bi- bib bii bik bil bin bio bir bkb bkk bkl bkn bko bkr blb bli blk bll bln blo blr bnb bni bnk bnl bnn bno bnr bob boi bok bol bon boo bor brb bri brk brl brn bro brr ibb ibi ibk ibl ibn ibo ibr iib iii iil iin iio iir ikb iki ikk ikl iko ikr il- ilb ili ilk ill iln ilo ilr in- inb ini ink inl inn ino inr io- iob ioi iol ion ioo ior ir- irb iri irk irl irn iro irr kbb kbi kbk kbl kbn kbo kbr kib kii kik kil kin kio kir kkb kki kkk kkl kkn kkr kl- klb kli klo klr kn- kni knk knl knn kno knr kob koi kok kol kon koo kor kri krk krl krn kro krr lbb lbi lbk lbl lbo lbr lib lii lik lil lin lio lir lkb lkl lkr llb lli llk lll lln llo llr lnb lni lnk lnl lnn lno lnr lob loi lok lol lon loo lor lrb lri lrk lrn lro lrr n-i nbb nbi nbk nbl nbn nbo nbr nib nii nik nil nin nio nir nki nkk nkn nko nkr nlb nli nlk nll nln nlo nlr nnb nni nnk nnl nnn nno no- nob noi nok nol non noo nor nrb nri nrk nrl nrn nro nrr o-i ob- obb obi obk obl obn obo obr oib oii oik oil oin oio oir okb oki okk okl oko okr olb oli olk oll oln olo on- onb oni onk onl onn ono onr oo- oob ooi ook ool oon ooo oor or- orb ori ork orl orn oro orr rbb rbi rbk rbl rbn rbo rbr rib rii rik ril rin rio rir rkb rkk rko rli rll rln rlo rlr rnb rni rnn rno rnr rob roi rok rol ron roo ror rrb rri rrk rrl rrn rrr

-nik bbbb bbin bblb bibb bibi bibl bibo biin biko bili bilk bill bilo bin- bini bink binn bino bio- bioi biol bion birb biri birk birl birn biro birr blik blin blio blir blkb blni blno blob blok blon bloo bnib bnin bnor bnrr bobb bobi bobo boi- boii boil boin boki bokn boko boli bolk boll boln bolo boni bonk bonn bono boob book bool boon boor bor- bori bork born boro borr brik bril brin brio brkb brno brob brok brol bron broo bror brrr i-no ibon ibri ibro iiii iiio iino iioi iioo ikin ikki ikko ikon ikoo ikri ilin ilio ilir ilki ill- illi illo ilni ilno ilok iloo inbo inki inni inno innr ino- inoi inol inon inor inri inro iobi ioii ioio ioko iolo ioni ionn iono iooi iooo iori iri- iril irin irio irki irlb irob iron irri k-lo kbbb kbbi kbbk kbbl kbbo kbbr kbib kbik kbil kbio kbkb kbkk kbkl kbko kbkr kblb kbll kblo kblr kbnl kbnn kbno kbnr kbob kboi kbok kbon kboo kbrb kbri kbrk kbrl kbrn kbro kibb kibi kibl kibo kibr kiii kiik kiki kikk kiko kikr kilb kili kilk kill kiln kilo kilr kin- kinb kini kink kinl kinn kino kioi kiok kiol kion kioo kirb kiri kirk kirn kiro kirr kkbb kkbi kkbl kkbn kkbo kkbr kkik kkin kkkk kklb kkli kkll kkln kklo kknb kkni kknn kkno kkob kkol kkon kkoo kkor kkrb kkrk kkrl kkrn kkro kkrr klbb klbl klbn klib klik klil klin klio klir klkk klkl klkn klko klkr kllb kllk klni klnn klno klob klok klol klon kloo klor klrk klrn klrr knbb knbn knbr knib knik knin knir knki knkk knlb knlr knnb knnk knnr knob knok knol knon knor knrb knrk knro kobb kobi kobk kobn kobo kobr koii koil koin koir kokb koki kokk kokn koko kokr kolb koli kolk koll koln kolo kolr koni konk kono koob kooi kook kool koon kooo koor korb kori kork korl korn koro korr krbb krbi krbk krbl krbr krib krik kril krin krio krki krkk krkn krko krkr krln krnb krni krnk krnn krno krob kroi krok krol kroo kror krrb krri krrk krrl krrn krro krrr lblr libo libr liii liin liir liko lilb lili lill lilo link linn lino lio- lion lior liri lirk lirl lirn liro lirr llll lloo lnnk lob- lobb lobi lobo loik loin loir loki lokk loko loli loll lolo loni lonk lono lonr loob look lool loon loor lori lork lorn loro lroi lron lrrr n-ii nbbo nibi nibo niir niki niko nili nilk nill nilo nini ninl nino nion nioo niro nkio nkok nkor nlrb nnnn nobi nobo noib noik noil noin noio noir noki noko noli noll nolo non- noni nonn nono noo- noob nook nool noon nooo noor nor- norb nori nork norn noro norr nrlb nron nrrl obbo obin obkb oboi obok obol obon obor obri obro oiii oiko oink oion okir okko oklo okni okno okok okol okon okor okro olbo olib olin olio olki olli ollo olon olor onil onir onni onno onon onor oobi oolo oooo orbb orbi orbo ori- oril orin orio orko orlo orni orno oro- orok oron oror orri orro rbbb rbbr rib- ribo riin riki rikk rill rilo rink rinn rino riol rion riri rlin rnbr rnin rnli rob- robb robi robo roik roil roin roio roir roki rokk roko rokr rolk roll rolo roni ronk rono roob rooi rook rool roon roor rori rork roro rrrr

b-r-k bbook bi-lo bibbo bibin bibio bibri bikin bikok bikol bilbi bilbo bili- bilin bilko billi billo bioko birin birni birol biron bkorn blikk blini blink blinn blonk blook bloor blorb bo-bo bobbi bobik bobin bobko bobok bobr bobri boilo boink boiro bokin bokko bokok bokor bolin bolko boll- bolli bollo bolno bolok bolon bonin bonio bonki bonon booki booko boonk boorn borbo borik borin borio borko born- borno boro- borok boron boroo borro brill brini brink brinn brion brnik brobo broil broin broll