-er b-u bbb bbd bbe bbi bbn bbo bbr bbt bbu bdb bdd bde bdi bdo bdr bdt bdu bdz be- beb bed bee bei ben beo ber bet beu bez bi- bib bid bie bii bin bio bir bit biu biz bnb bnd bne bni bnn bno bnr bnt bnu bnz bob bod boe boi bon boo bor bot bou boz brb brd bre bri brn bro brr brt bru brz btb btd bte bti btn bto btr btt btu btz bub bud bue bui bun buo bur but buu buz bzd bze bzn bzo bzr bzu bzz dbb dbd dbe dbi dbn dbo dbr dbt dbu dbz ddb ddd dde ddi ddn ddo ddr ddt ddu ddz de- deb ded dee dei den deo der det deu dez di- dib did die dii din dio dir dit diu diz dnb dnd dne dni dnn dno dnr dnt dnz dob dod doe doi don doo dor dot dou doz drb drd dre dri drn dro drr drt dru drz dtb dtd dte dti dtn dto dtr dtt dtu dtz dub dud due dui dun duo dur dut duz dzb dzd dze dzi dzo dzr dzu ebb ebd ebe ebi ebn ebo ebr ebt ebu ed- edb edd ede edi edn edo edr edt edu eeb eed eee een eeo eer eet eib eid eie eii ein eio eir eit eiu en- enb end ene eni enn eno enr ent enu enz eo- eob eod eoe eoi eon eoo eor eot eou erb erd ere eri ern ero err ert eru erz etb etd ete eti etn eto etr ett etu etz eu- eub eud eue eui eun eur eut eze ezo ezr ezz i-d ibb ibd ibe ibi ibn ibo ibr ibt ibu ibz idb idd ide idi idn ido idr idt idu ie- ied iee iei ien ier iet iib iid iie iii iin iio iir iit iiu in- inb ind ine ini inn ino inr int inu io- iob iod ioe ioi ion ioo ior iot iou ir- irb ird ire iri irn iro irr irt iru itb itd ite iti itn ito itt itu itz iu- iub iud iue iui iur iut iuz ize izi izo izu izz n-i nbb nbd nbe nbi nbn nbo nbr nbt nbu ndb ndd nde ndi ndn ndo ndr ndt ndu ne- neb ned nee nei nen neo ner net neu nez nib nid nie nii nin nio nir nit niu niz nnb nne nni nnn nno nnt nnu nnz no- nob nod noe noi non noo nor not nou noz nrb nrd nre nri nrn nro nrr nrt nru nrz ntb ntd nte nti ntn nto ntr ntt ntu ntz nub nud nue nui nun nuo nur nut nuu nzb nzd nze nzi nzo nzz o-i ob- obb obd obe obi obn obo obr obt obu odb odd ode odi odn odo odr odt odu oeb oed oee oei oen oeo oer oet oib oid oie oii oin oio oir oit oiu oiz on- onb ond one oni onn ono onr ont onu oo- oob ood ooi oon ooo oor oot or- orb ord ore ori orn oro orr ort oru orz ot- otb otd ote oti otn oto otr ott otu otz ou- oud oue oui oun ouo our out oze ozo ozt ozu ozz rbb rbd rbe rbi rbn rbo rbr rbt rbu rdb rdd rde rdi rdn rdo rdr rdt rdu re- reb red ree rei ren reo rer ret reu rez rib rid rie rii rin rio rir rit riz rnb rnd rni rnn rno rnr rnt rnu rnz rob rod roe roi ron roo ror rot rou roz rrb rrd rri rrn rrr rrt rru rtb rtd rte rti rtn rto rtr rtt rtu rtz rub rud rue rui run ruo rur rut ruu ruz rzb rze rzo tbb tbd tbe tbi tbn tbo tbr tbt tbu tbz tdb tdd tde tdi tdn tdo tdr tdt tdu te- teb ted tee tei ten teo ter tet teu tez tib tid tie tii tin tio tir tit tiu tiz tnb tnd tne tni tnn tno tnr tnt tnz to- tob tod toe toi ton too tor tot tou toz trb trd tre tri trn tro trr trt tru trz ttb ttd tte tti ttn tto ttr ttt ttu tub tud tue tui tun tuo tur tut tuu tuz tzd tze tzu ubb ube ubi ubn ubo ubr ubt ubu udb udd ude udi udn udo udr udt udu ueb ued uee uei uen uer uet uib uid uie uii uin uio uir uit uiu un- unb und une uni unn uno unr unt unu uob uod uoe uon uoo uor uot ur- urb urd ure uri urn uro urr urt uru urz utb utd ute uti utn uto utr utt utu utz uue uun uur uut uuu uzb uzi uzo uzu zbb zbr zbt zdt zeb zed zee zen zeo zer zet zez zib zid zie zin zio zir zit ziz znd zne znn zno zo- zob zod zoe zoi zon zoo zor zot zou zro zte ztr zub zud zui zun zur zut zuz zzr zzt zzz