b-u bbb bbd bbh bbi bbk bbn bbr bbu bdb bdd bdh bdi bdk bdr bdu bhb bhd bhh bhi bhk bhr bhu bi- bib bid bih bii bik bin bir biu bkb bkk bkn bkr bnb bnd bni bnk bnn bnr bnu brb brd brh bri brk brn brr bru bub bud buh bui buk bun bur buu dbb dbd dbh dbi dbk dbn dbr dbu ddb ddd ddh ddi ddk ddn ddr ddu dh- dhb dhd dhh dhi dhk dhr dhu di- dib did dih dii dik din dir diu dkb dki dkk dkr dku dnb dnd dnh dni dnk dnn dnr drb drd dri drk drn drr dru dub dud duh dui duk dun dur h-i hbb hbd hbh hbi hbk hbn hbr hbu hdb hdd hdh hdi hdk hdn hdr hdu hhb hhd hhh hhi hhk hhn hhr hhu hib hid hih hii hik hin hir hiu hkb hkd hkh hki hkk hkn hkr hku hnb hnd hnh hnk hnn hnu hr- hrb hrd hrh hri hrk hrn hrr hru hub hud huh hui huk hun hur huu i-d ibb ibd ibh ibi ibk ibn ibr ibu idb idd idh idi idk idn idr idu ihb ihd ihh ihi ihk ihn ihr ihu iib iid iih iii iin iir iiu ikb iki ikk ikr iku in- inb ind inh ini ink inn inr inu ir- irb ird iri irk irn irr iru iu- iub iud iui iur kbb kbd kbh kbi kbk kbn kbr kbu kdb kdh kdk kdr kdu khh khi khk khn khr khu kib kid kih kii kik kin kir kiu kkb kkh kki kkk kkn kkr kku kn- knd kni knk knn knr knu krd kri krk krn krr kru kub kud kuh kui kuk kun kur kuu n-i nbb nbd nbi nbk nbn nbr nbu ndb ndd ndh ndi ndk ndn ndr ndu nhb nhd nhh nhi nhk nhn nhr nhu nib nid nih nii nik nin nir niu nki nkk nkn nkr nku nnb nnh nni nnk nnn nnu nrb nrd nri nrk nrn nrr nru nub nud nuh nui nuk nun nur nuu rbb rbd rbh rbi rbk rbn rbr rbu rdb rdd rdh rdi rdn rdr rdu rh- rhb rhd rhh rhi rhn rhr rhu rib rid rih rii rik rin rir rkb rkk rku rnb rnd rnh rni rnn rnr rnu rrb rrd rrh rri rrk rrn rrr rru rub rud ruh rui ruk run rur ruu ubb ubh ubi ubk ubn ubr ubu udb udd udi udk udn udr udu uhb uhd uhh uhi uhr uhu uib uid uii uin uir uiu ukb uki ukk ukn ukr uku un- unb und unh uni unk unn unr unu ur- urb urd uri urk urn urr uru uun uur uuu