-er b-u bbb bbd bbe bbg bbi bbn bbo bbr bbu bdb bdd bde bdg bdi bdo bdr bdu be- beb bed bee beg bei ben beo ber beu bgb bgd bge bgg bgi bgn bgo bgr bgu bi- bib bid bie big bii bin bio bir biu bnb bnd bne bng bni bnn bno bnr bnu bob bod boe bog boi bon boo bor bou brb brd bre brg bri brn bro brr bru bub bud bue bug bui bun buo bur buu dbb dbd dbe dbg dbi dbn dbo dbr dbu ddb ddd dde ddg ddi ddn ddo ddr ddu de- deb ded dee deg dei den deo der deu dgd dge dgg dgi dgn dgr dgu di- dib did die dig dii din dio dir diu dnb dnd dne dng dni dnn dno dnr dob dod doe dog doi don doo dor dou drb drd dre drg dri drn dro drr dru dub dud due dug dui dun duo dur ebb ebd ebe ebg ebi ebn ebo ebr ebu ed- edb edd ede edg edi edn edo edr edu eeb eed eee eeg een eeo eer egb egd ege egg egi egn ego egr egu eib eid eie eig eii ein eio eir eiu en- enb end ene eng eni enn eno enr enu eo- eob eod eoe eog eoi eon eoo eor eou erb erd ere erg eri ern ero err eru eu- eub eud eue eug eui eun eur g-d gbd gbe gbg gbi gbn gbo gbr gbu gdb gdd gde gdi gdn gdo gdr gdu ge- geb ged gee geg gei gen geo ger geu ggb ggd ggg ggi ggn ggo ggr ggu gib gid gie gig gii gin gio gir giu gnb gnd gne gni gnn gno gnr gnu gob god goe gog goi gon goo gor gou grb grd gre grg gri grn gro grr gru gu- gub gud gue gug gui gun guo gur guu i-d ibb ibd ibe ibg ibi ibn ibo ibr ibu idb idd ide idg idi idn ido idr idu ie- ied iee ieg iei ien ier igb igd ige igg igi ign igo igr igu iib iid iie iii iin iio iir iiu in- inb ind ine ing ini inn ino inr inu io- iob iod ioe iog ioi ion ioo ior iou ir- irb ird ire irg iri irn iro irr iru iu- iub iud iue iug iui iur n-i nbb nbd nbe nbg nbi nbn nbo nbr nbu ndb ndd nde ndg ndi ndn ndo ndr ndu ne- neb ned nee neg nei nen neo ner neu ngb ngd nge ngg ngi ngn ngo ngu nib nid nie nig nii nin nio nir niu nnb nne nng nni nnn nno nnu no- nob nod noe nog noi non noo nor nou nrb nrd nre nrg nri nrn nro nrr nru nub nud nue nug nui nun nuo nur nuu o-i ob- obb obd obe obg obi obn obo obr obu odb odd ode odg odi odn odo odr odu oeb oed oee oeg oei oen oeo oer ogd oge ogg ogi ogn ogo oib oid oie oii oin oio oir oiu on- onb ond one ong oni onn ono onr onu oo- oob ood oog ooi oon ooo oor or- orb ord ore org ori orn oro orr oru ou- oud oue oui oun ouo our rbb rbd rbe rbg rbi rbn rbo rbr rbu rdb rdd rde rdg rdi rdn rdo rdr rdu re- reb red ree reg rei ren reo rer reu rgb rgd rge rgg rgi rgn rgo rgr rib rid rie rig rii rin rio rir rnb rnd rng rni rnn rno rnr rnu rob rod roe rog roi ron roo ror rou rrb rrd rrg rri rrn rrr rru rub rud rue rug rui run ruo rur ruu ubb ube ubg ubi ubn ubo ubr ubu udb udd ude udg udi udn udo udr udu ueb ued uee ueg uei uen uer ugb uge ugg ugi ugn ugo ugr ugu uib uid uie uig uii uin uio uir uiu un- unb und une ung uni unn uno unr unu uob uod uoe uog uon uoo uor ur- urb urd ure urg uri urn uro urr uru uue uug uun uur uuu