-er b-u bbb bbd bbe bbg bbi bbk bbn bbo bbr bbu bdb bdd bde bdg bdi bdk bdo bdr bdu be- beb bed bee beg bei bek ben beo ber beu bgb bgd bge bgg bgi bgk bgn bgo bgr bgu bi- bib bid bie big bii bik bin bio bir biu bkb bke bkg bkk bkn bko bkr bnb bnd bne bng bni bnk bnn bno bnr bnu bob bod boe bog boi bok bon boo bor bou brb brd bre brg bri brk brn bro brr bru bub bud bue bug bui buk bun buo bur buu dbb dbd dbe dbg dbi dbk dbn dbo dbr dbu ddb ddd dde ddg ddi ddk ddn ddo ddr ddu de- deb ded dee deg dei dek den deo der deu dgd dge dgg dgi dgk dgn dgr dgu di- dib did die dig dii dik din dio dir diu dkb dke dkg dki dkk dko dkr dku dnb dnd dne dng dni dnk dnn dno dnr dob dod doe dog doi dok don doo dor dou drb drd dre drg dri drk drn dro drr dru dub dud due dug dui duk dun duo dur ebb ebd ebe ebg ebi ebk ebn ebo ebr ebu ed- edb edd ede edg edi edk edn edo edr edu eeb eed eee eeg eek een eeo eer egb egd ege egg egi egn ego egr egu eib eid eie eig eii eik ein eio eir eiu ekb ekd eke ekg eki eko ekr eku en- enb end ene eng eni enk enn eno enr enu eo- eob eod eoe eog eoi eok eon eoo eor eou erb erd ere erg eri erk ern ero err eru eu- eub eud eue eug eui eun eur g-d gbd gbe gbg gbi gbk gbn gbo gbr gbu gdb gdd gde gdi gdk gdn gdo gdr gdu ge- geb ged gee geg gei gek gen geo ger geu ggb ggd ggg ggi ggn ggo ggr ggu gib gid gie gig gii gik gin gio gir giu gkb gkd gkn gko gnb gnd gne gni gnn gno gnr gnu gob god goe gog goi gok gon goo gor gou grb grd gre grg gri grk grn gro grr gru gu- gub gud gue gug gui guk gun guo gur guu i-d ibb ibd ibe ibg ibi ibk ibn ibo ibr ibu idb idd ide idg idi idk idn ido idr idu ie- ied iee ieg iei iek ien ier igb igd ige igg igi igk ign igo igr igu iib iid iie iii iin iio iir iiu ikb ike iki ikk iko ikr iku in- inb ind ine ing ini ink inn ino inr inu io- iob iod ioe iog ioi ion ioo ior iou ir- irb ird ire irg iri irk irn iro irr iru iu- iub iud iue iug iui iur kbb kbd kbe kbi kbk kbn kbo kbr kbu kdb kde kdg kdk kdo kdr kdu ke- keb ked kee keg kei kek ken keo ker kgb kgd kgi kgo kgu kib kid kie kig kii kik kin kio kir kiu kkb kke kki kkk kkn kkr kku kn- knd kne kng kni knk knn kno knr knu kob kod koe kog koi kok kon koo kor kou krd krg kri krk krn kro krr kru kub kud kue kug kui kuk kun kur kuu n-i nbb nbd nbe nbg nbi nbk nbn nbo nbr nbu ndb ndd nde ndg ndi ndk ndn ndo ndr ndu ne- neb ned nee neg nei nek nen neo ner neu ngb ngd nge ngg ngi ngk ngn ngo ngu nib nid nie nig nii nik nin nio nir niu nke nki nkk nkn nko nkr nku nnb nne nng nni nnk nnn nno nnu no- nob nod noe nog noi nok non noo nor nou nrb nrd nre nrg nri nrk nrn nro nrr nru nub nud nue nug nui nuk nun nuo nur nuu o-i ob- obb obd obe obg obi obk 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 oik oin oio oir oiu okb okd oke okg oki okk oko okr oku on- onb ond one ong oni onk onn ono onr onu oo- oob ood oog ooi ook oon ooo oor or- orb ord ore org ori ork orn oro orr oru ou- oud oue oui ouk oun ouo our rbb rbd rbe rbg rbi rbk rbn rbo rbr rbu rdb rdd rde rdg rdi rdn rdo rdr rdu re- reb red ree reg rei rek ren reo rer reu rgb rgd rge rgg rgi rgk rgn rgo rgr rib rid rie rig rii rik rin rio rir rkb rke rkg rkk rko rku rnb rnd rng rni rnn rno rnr rnu rob rod roe rog roi rok ron roo ror rou rrb rrd rrg rri rrk rrn rrr rru rub rud rue rug rui ruk run ruo rur ruu ubb ube ubg ubi ubk ubn ubo ubr ubu udb udd ude udg udi udk udn udo udr udu ueb ued uee ueg uei uen uer ugb uge ugg ugi ugk ugn ugo ugr ugu uib uid uie uig uii uin uio uir uiu ukb uke uki ukk ukn ukr uku un- unb und une ung uni unk unn uno unr unu uob uod uoe uog uok uon uoo uor ur- urb urd ure urg uri urk urn uro urr uru uue uug uun uur uuu