-er b-u bbb bbd bbe bbi bbl bbn bbq bbr bbu bdb bdd bde bdi bdl bdq bdr bdu be- beb bed bee bei bel ben beq ber beu bi- bib bid bie bii bil bin bir biu blb bld ble bli bll bln blq blr blu bnb bnd bne bni bnl bnn bnr bnu bqd bqe brb brd bre bri brl brn brq brr bru bub bud bue bui bul bun bur buu dbb dbd dbe dbi dbl dbn dbq dbr dbu ddb ddd dde ddi ddl ddn ddq ddr ddu de- deb ded dee dei del den deq der deu di- dib did die dii dil din diq dir diu dl- dlb dld dle dli dll dlr dlu dnb dnd dne dni dnl dnn dnq dnr dqe dqn drb drd dre dri drl drn drq drr dru dub dud due dui dul dun dur ebb ebd ebe ebi ebl ebn ebq ebr ebu ed- edb edd ede edi edl edn edr edu eeb eed eee eel een eer eib eid eie eii eil ein eir eiu elb eld ele eli ell eln elr elu en- enb end ene eni enl enn enr enu eqe eqn eqq equ erb erd ere eri erl ern erq err eru eu- eub eud eue eui eul eun eur i-d ibb ibd ibe ibi ibl ibn ibr ibu idb idd ide idi idl idn idq idr idu ie- ied iee iei iel ien ier iib iid iie iii iil iin iir iiu il- ilb ild ile ili ill iln ilq ilr ilu in- inb ind ine ini inl inn inq inr inu iqd iqe iqu ir- irb ird ire iri irl irn irq irr iru iu- iub iud iue iui iur lbb lbd lbe lbi lbl lbr lbu ldb ldd lde ldi ldl ldn ldr ldu leb led lee lei lel len leq ler leu lib lid lie lii lil lin liq lir liu llb lld lle lli lll lln llq llr llu lnb lnd lne lni lnl lnn lnr lnu lqr lrb lrd lri lrn lrr lru lub lud lue lui lul lun lur luu n-i nbb nbd nbe nbi nbl nbn nbr nbu ndb ndd nde ndi ndl ndn ndr ndu ne- neb ned nee nei nel nen ner neu nib nid nie nii nil nin niq nir niu nlb nld nle nli nll nln nlq nlr nlu nnb nne nni nnl nnn nnu nrb nrd nre nri nrl nrn nrr nru nub nud nue nui nul nun nuq nur nuu qbd qbe qbq qdb qdr qed qee qen qid qie qil qin qir qiu qnb qnd qne qni qqq qqu qrb qre qri qrl qru qu- qud que qui qul qur rbb rbd rbe rbi rbl rbn rbr rbu rdb rdd rde rdi rdl rdn rdr rdu re- reb red ree rei rel ren req rer reu rib rid rie rii ril rin riq rir rld rle rli rll rln rlr rlu rnb rnd rni rnn rnr rnu rqn rrb rrd rri rrl rrn rrq rrr rru rub rud rue rui run rur ruu ubb ube ubi ubl ubn ubr ubu udb udd ude udi udl udn udr udu ueb ued uee uei uel uen uer uib uid uie uii uil uin uiq uir uiu ulb uld ule uli ull uln ulr ulu un- unb und une uni unl unn unq unr unu ur- urb urd ure uri url urn urr uru uue uun uur uuu