b-u bbb bbi bbk bbn bbo bbr bbt bbu bi- bib bii bik bin bio bir bit biu bkb bkk bkn bko bkr bkt bnb bni bnk bnn bno bnr bnt bnu bob boi bok bon boo bor bot bou brb bri brk brn bro brr brt bru btb bti btk btn bto btr btt btu bub bui buk bun buo bur but buu ibb ibi ibk ibn ibo ibr ibt ibu iib iii iin iio iir iit iiu ikb iki ikk iko ikr ikt iku in- inb ini ink inn ino inr int inu io- iob ioi ion ioo ior iot iou ir- irb iri irk irn iro irr irt iru itb iti itk itn ito itt itu iu- iub iui iur iut k-t kbb kbi kbk kbn kbo kbr kbu kib kii kik kin kio kir kit kiu kkb kki kkk kkn kkr kkt kku kn- kni knk knn kno knr knt knu kob koi kok kon koo kor kot kou kri krk krn kro krr krt kru ktb ktk ktn kto ktr ktt ktu kub kui kuk kun kur kut kuu n-i nbb nbi nbk nbn nbo nbr nbt nbu nib nii nik nin nio nir nit niu nki nkk nkn nko nkr nkt nku nnb nni nnk nnn nno nnt nnu no- nob noi nok non noo nor not nou nrb nri nrk nrn nro nrr nrt nru ntb nti ntk ntn nto ntr ntt ntu nub nui nuk nun nuo nur nut nuu o-i ob- obb obi obk obn obo obr obt obu oib oii oik oin oio oir oit oiu okb oki okk oko okr oku on- onb oni onk onn ono onr ont onu oo- oob ooi ook oon ooo oor oot or- orb ori ork orn oro orr ort oru ot- otb oti otk otn oto otr ott otu ou- oui ouk oun ouo our out rbb rbi rbk rbn rbo rbr rbt rbu rib rii rik rin rio rir rit rkb rkk rko rkt rku rnb rni rnn rno rnr rnt rnu rob roi rok ron roo ror rot rou rrb rri rrk rrn rrr rrt rru rtb rti rtk rtn rto rtr rtt rtu rub rui ruk run ruo rur rut ruu tbb tbi tbk tbn tbo tbr tbt tbu tib tii tik tin tio tir tit tiu tkb tkk tko tkr tkt tnb tni tnk tnn tno tnr tnt to- tob toi tok ton too tor tot tou trb tri trk trn tro trr trt tru ttb tti ttk ttn tto ttr ttt ttu tub tui tuk tun tuo tur tut tuu ubb ubi ubk ubn ubo ubr ubt ubu uib uii uin uio uir uit uiu ukb uki ukk ukn ukr uku un- unb uni unk unn uno unr unt unu uob uok uon uoo uor uot ur- urb uri urk urn uro urr urt uru utb uti utk utn uto utr utt utu uun uur uut uuu

-nik bbbb bbin bibb bibi bibo biin biko biku bin- bini bink binn bino bint binu bio- bioi bion biot biou birb biri birk birn biro birr birt biru bito bitt bitu bnib bnin bnor bnrr bobb bobi bobo bobu boi- boii boin boit boiu boki bokn boko boku boni bonk bonn bono bont bonu boob book boon boor boot bor- bori bork born boro borr bort boru botb boti botn boto bott bouk boun bour bout brik brin brio brit brkb brno brob brok bron broo bror brot brou brrr brun brut btob btor btrt bttb bubb bubi bubo bubu buik buin buir buit buiu buki bukk buko buku bunb buni bunk bunn buno bunt bunu buon bur- burb buri burk burn buro burr burt buru but- buti buto butt i-no ibon ibot ibri ibro ibtb iiii iiio iiit iino iioi iioo iitr iitt ikin ikki ikko ikon ikoo ikri ikuo inbo init inki inni inno innr innu ino- inoi inon inor inot inou inri inro inti intn into intr intu inui inuk inun iobi ioii ioio ioit ioko ioni ionn iono iooi iooo iori ioto ioun iri- irin irio irki irob iron irri irti irun itin itko itno itoi iton itoo itor itou itri itto itur iuiu iuno kbbb kbbi kbbk kbbo kbbr kbbt kbbu kbib kbik kbio kbit kbiu kbkb kbkk kbko kbkr kbnn kbno kbnr kbnu kbob kboi kbok kbon kboo kbot kbrb kbri kbrk kbrn kbro kbrt kbru kbtb kbtk kbtn kbto kbtr kbtt kbub kbuk kbun kbur kbut kbuu kibb kibi kibo kibr kibt kibu kiii kiik kiit kiiu kiki kikk kiko kikr kikt kiku kin- kinb kini kink kinn kino kint kinu kioi kiok kion kioo kiot kiou kirb kiri kirk kirn kiro kirr kirt kiru kiti kitn kito kitr kitt kitu kiun kiur kiuu kkbb kkbi kkbn kkbo kkbr kkbt kkik kkin kkit kkkk kknb kkni kknn kkno kknt kknu kkob kkon kkoo kkor kkot kkrb kkrk kkrn kkro kkrr kkrt kktk kktu kkut kkuu knbb knbn knbr knbt knbu knib knik knin knir knit knki knkk knkt knnb knnk knnr knob knok knon knor knot knou knrb knrk knro knti kntk kntn knto kntr kntu knub knui knuk knur knut kobb kobi kobk kobn kobo kobr kobu koii koin koir koit kokb koki kokk kokn koko kokr koku koni konk kono kont koob kooi kook koon kooo koor koot koou korb kori kork korn koro korr kort koru kotb koti kotk kotn koto kotr kott kotu koub koui kour kout kouu krbb krbi krbk krbr krbt krib krik krin krio krit krki krkk krkn krko krkr krku krnb krni krnk krnn krno krnt krnu krob kroi krok kroo kror krrb krri krrk krrn krro krrr krrt krti krtk krtn krto krtr krui kruk krun krur ktbb ktbn ktbr ktbt ktbu ktib ktik ktkb ktkk ktkn ktko ktkr ktkt ktku ktnk ktnn ktno ktnt ktob ktok kton ktoo ktor ktot ktrb ktri ktrk ktrn ktro ktrr ktrt ktru ktti kttk kttn ktto kttr kttt kttu ktub ktui ktun kubb kubo kubr kubu