b-u bbb bbi bbk bbn bbr bbu bbw bi- bib bii bik bin bir biu biw bkb bkk bkn bkr bkw bnb bni bnk bnn bnr bnu bnw brb bri brk brn brr bru brw bub bui buk bun bur buu buw bwb bwi bwk bwr bwu ibb ibi ibk ibn ibr ibu ibw iib iii iin iir iiu iiw ikb iki ikk ikr iku in- inb ini ink inn inr inu ir- irb iri irk irn irr iru iu- iub iui iur iwb iwi iwk iwr iwu iww kbb kbi kbk kbn kbr kbu kbw kib kii kik kin kir kiu kkb kki kkk kkn kkr kku kn- kni knk knn knr knu kri krk krn krr kru krw kub kui kuk kun kur kuu kw- kwi kwk kww n-i nbb nbi nbk nbn nbr nbu nbw nib nii nik nin nir niu nki nkk nkn nkr nku nnb nni nnk nnn nnu nnw nrb nri nrk nrn nrr nru nrw nub nui nuk nun nur nuu nwb nwi nwn nwr nwu rbb rbi rbk rbn rbr rbu rbw rib rii rik rin rir rkb rkk rku rnb rni rnn rnr rnu rnw rrb rri rrk rrn rrr rru rub rui ruk run rur ruu rwb rwi rwr rwu ubb ubi ubk ubn ubr ubu ubw uib uii uin uir uiu ukb uki ukk ukn ukr uku un- unb uni unk unn unr unu unw ur- urb uri urk urn urr uru urw uun uur uuu uwb uwn uwr uww wbb wbi wbn wbr wbw wib wii wik win wir wiu wkb wkr wkw wn- wnn wnu wnw wr- wri wrk wrn wrr wru wrw wub wun wur wwi wwn wwu www