b-u bbb bbd bbh bbi bbl bbn bbr bbu bdb bdd bdh bdi bdl bdr bdu bhb bhd bhh bhi bhl bhr bhu bi- bib bid bih bii bil bin bir biu blb bld blh bli bll bln blr blu bnb bnd bni bnl bnn bnr bnu brb brd brh bri brl brn brr bru bub bud buh bui bul bun bur buu dbb dbd dbh dbi dbl dbn dbr dbu ddb ddd ddh ddi ddl ddn ddr ddu dh- dhb dhd dhh dhi dhl dhr dhu di- dib did dih dii dil din dir diu dl- dlb dld dlh dli dll dlr dlu dnb dnd dnh dni dnl dnn dnr drb drd dri drl drn drr dru dub dud duh dui dul dun dur h-i hbb hbd hbh hbi hbl hbn hbr hbu hdb hdd hdh hdi hdl hdn hdr hdu hhb hhd hhh hhi hhl hhn hhr hhu hib hid hih hii hil hin hir hiu hlb hld hlh hli hll hln hlr hlu hnb hnd hnh hnl hnn hnu hr- hrb hrd hrh hri hrl hrn hrr hru hub hud huh hui hul hun hur huu i-d ibb ibd ibh ibi ibl ibn ibr ibu idb idd idh idi idl idn idr idu ihb ihd ihh ihi ihl ihn ihr ihu iib iid iih iii iil iin iir iiu il- ilb ild ilh ili ill iln ilr ilu in- inb ind inh ini inl inn inr inu ir- irb ird iri irl irn irr iru iu- iub iud iui iur lbb lbd lbh lbi lbl lbr lbu ldb ldd ldh ldi ldl ldn ldr ldu lhb lhd lhh lhi lhr lhu lib lid lih lii lil lin lir liu llb lld lli lll lln llr llu lnb lnd lnh lni lnl lnn lnr lnu lrb lrd lrh lri lrn lrr lru lub lud luh lui lul lun lur luu n-i nbb nbd nbi nbl nbn nbr nbu ndb ndd ndh ndi ndl ndn ndr ndu nhb nhd nhh nhi nhl nhn nhr nhu nib nid nih nii nil nin nir niu nlb nld nlh nli nll nln nlr nlu nnb nnh nni nnl nnn nnu nrb nrd nri nrl nrn nrr nru nub nud nuh nui nul nun nur nuu rbb rbd rbh rbi rbl rbn rbr rbu rdb rdd rdh rdi rdl rdn rdr rdu rh- rhb rhd rhh rhi rhl rhn rhr rhu rib rid rih rii ril rin rir rld rlh rli rll rln rlr rlu rnb rnd rnh rni rnn rnr rnu rrb rrd rrh rri rrl rrn rrr rru rub rud ruh rui run rur ruu ubb ubh ubi ubl ubn ubr ubu udb udd udi udl udn udr udu uhb uhd uhh uhi uhl uhr uhu uib uid uii uil uin uir uiu ulb uld uli ull uln ulr ulu un- unb und unh uni unl unn unr unu ur- urb urd uri url urn urr uru uun uur uuu