-nik bbbb bbin bibb bibi bibo biin biko bin- bini bink binn bino bint bio- bioi bion biot birb biri birk birn biro birr birt bito bitt bnib bnin bnor bnrr bobb bobi bobo boi- boii boin boit boki bokn boko boni bonk bonn bono bont boob book boon boor boot bor- bori bork born boro borr bort botb boti botn boto bott brik brin brio brit brkb brno brob brok bron broo bror brot brrr btob btor btrt bttb i-no ibon ibot ibri ibro ibtb iiii iiio iiit iino iioi iioo iitr iitt ikin ikki ikko ikon ikoo ikri inbo init inki inni inno innr ino- inoi inon inor inot inri inro inti intn into intr iobi ioii ioio ioit ioko ioni ionn iono iooi iooo iori ioto iri- irin irio irki irob iron irri irti itin itko itno itoi iton itoo itor itri itto kbbb kbbi kbbk kbbo kbbr kbbt kbib kbik kbio kbit kbkb kbkk kbko kbkr kbnn kbno kbnr kbob kboi kbok kbon kboo kbot kbrb kbri kbrk kbrn kbro kbrt kbtb kbtk kbtn kbto kbtr kbtt kibb kibi kibo kibr kibt kiii kiik kiit kiki kikk kiko kikr kikt kin- kinb kini kink kinn kino kint kioi kiok kion kioo kiot kirb kiri kirk kirn kiro kirr kirt kiti kitn kito kitr kitt kkbb kkbi kkbn kkbo kkbr kkbt kkik kkin kkit kkkk kknb kkni kknn kkno kknt kkob kkon kkoo kkor kkot kkrb kkrk kkrn kkro kkrr kkrt kktk knbb knbn knbr knbt knib knik knin knir knit knki knkk knkt knnb knnk knnr knob knok knon knor knot knrb knrk knro knti kntk kntn knto kntr kobb kobi kobk kobn kobo kobr koii koin koir koit kokb koki kokk kokn koko kokr koni konk kono kont koob kooi kook koon kooo koor koot korb kori kork korn koro korr kort kotb koti kotk kotn koto kotr kott krbb krbi krbk krbr krbt krib krik krin krio krit krki krkk krkn krko krkr krnb krni krnk krnn krno krnt krob kroi krok kroo kror krrb krri krrk krrn krro krrr krrt krti krtk krtn krto krtr ktbb ktbn ktbr ktbt ktib ktik ktkb ktkk ktkn ktko ktkr ktkt ktnk ktnn ktno ktnt ktob ktok kton ktoo ktor ktot ktrb ktri ktrk ktrn ktro ktrr ktrt ktti kttk kttn ktto kttr kttt n-ii nbbo nbti nibi nibo niir niit niki niko nini nino nion nioo niro nirt nitb niti nito nitr nkio nknt nkok nkor nktr nnit nnnn nnot nntn nobi nobo noib noik noin noio noir noit noki noko non- noni nonn nono nont noo- noob nook noon nooo noor noot nor- norb nori nork norn noro norr nort not- noti noto nott nron ntto nttr obbo obin obit obkb oboi obok obon obor obot obri obro oiii oiko oink oint oion oirt oiti okir okko okni okno okok okon okor okot okro okto onir onit onni onno onon onor ont- onti onto oobi oont oooo oort ootb orbb orbi orbo ori- orin orio orit orko orni orno oro- orok oron oror orot orri orro orto otin otit oto- otok oton otoo otor otro otti otto rbbb rbbr rib- ribo riin riki rikk rink rinn rino rion riot riri riti rito ritt rnbr rnin rnnt rnot rob- robb robi robo robt roik roin roio roir roit roki rokk roko rokr roni ronk rono ront roob rooi rook roon roor root rori rork roro rort roti rotk rotn roto rotr rott rrrr rtkn tbit tbrb tibi tiit tiki tiko tini tink tinn tino tint tion tirb tiri tiro tirr titi tito titt tkon tnik tobi tobo tobt toit toki toko tonb toni tonk tonn tono took toon toor toot tori tork torn toro torr tort toti toto totr tott tri- trib trik trin trio trit trno troi tron troo trot trtr ttbb tton tttt