b-u bbb bbi bbk bbl bbn bbr bbu bbw bi- bib bii bik bil bin bir biu biw bkb bkk bkl bkn bkr bkw blb bli blk bll bln blr blu bnb bni bnk bnl bnn bnr bnu bnw brb bri brk brl brn brr bru brw bub bui buk bul bun bur buu buw bwb bwi bwk bwl bwr bwu ibb ibi ibk ibl ibn ibr ibu ibw iib iii iil iin iir iiu iiw ikb iki ikk ikl ikr iku il- ilb ili ilk ill iln ilr ilu in- inb ini ink inl inn inr inu ir- irb iri irk irl irn irr iru iu- iub iui iur iwb iwi iwk iwl iwr iwu iww kbb kbi kbk kbl kbn kbr kbu kbw kib kii kik kil kin kir kiu kkb kki kkk kkl kkn kkr kku kl- klb kli klr klu kn- kni knk knl knn knr knu kri krk krl krn krr kru krw kub kui kuk kul kun kur kuu kw- kwi kwk kww lbb lbi lbk lbl lbr lbu lbw lib lii lik lil lin lir liu liw lkb lkl lkr llb lli llk lll lln llr llu llw lnb lni lnk lnl lnn lnr lnu lrb lri lrk lrn lrr lru lrw lub lui luk lul lun lur luu lwb lwi lwl lwn lwr lww n-i nbb nbi nbk nbl nbn nbr nbu nbw nib nii nik nil nin nir niu nki nkk nkn nkr nku nlb nli nlk nll nln nlr nlu nlw nnb nni nnk nnl nnn nnu nnw nrb nri nrk nrl nrn nrr nru nrw nub nui nuk nul nun nur nuu nwb nwi nwl nwn nwr nwu rbb rbi rbk rbl rbn rbr rbu rbw rib rii rik ril rin rir rkb rkk rku rli rll rln rlr rlu rlw rnb rni rnn rnr rnu rnw rrb rri rrk rrl rrn rrr rru rub rui ruk run rur ruu rwb rwi rwl rwr rwu ubb ubi ubk ubl ubn ubr ubu ubw uib uii uil uin uir uiu ukb uki ukk ukl ukn ukr uku ulb uli ulk ull uln ulr ulu un- unb uni unk unl unn unr unu unw ur- urb uri urk url urn urr uru urw uun uur uuu uwb uwl uwn uwr uww wbb wbi wbn wbr wbw wib wii wik wil win wir wiu wkb wkr wkw wl- wlb wli wll wln wlr wlu wlw wn- wnl wnn wnu wnw wr- wri wrk wrl wrn wrr wru wrw wub wun wur wwi wwl wwn wwu www