-er b-u bbb bbc bbd bbe bbg bbm bbn bbo bbr bbu bcb bcc bcd bce bcg bcm bcn bco bcr bcu bdb bdc bdd bde bdg bdm bdo bdr bdu be- beb bec bed bee beg bem ben beo ber beu bgb bgc bgd bge bgg bgm bgn bgo bgr bgu bmb bmc bmd bme bmg bmm bmn bmo bmr bmu bnb bnc bnd bne bng bnn bno bnr bnu bob boc bod boe bog bom bon boo bor bou brb brd bre brg brm brn bro brr bru bub buc bud bue bug bum bun buo bur buu c-- cbb cbc cbd cbe cbg cbm cbn cbo cbr cbu ccb ccc ccd cce ccg ccm ccn cco ccr ccu cdb cdc cdd cde cdg cdm cdn cdo cdr cdu ce- ceb cec ced cee ceg cem cen ceo cer ceu cgb cgc cgd cge cgg cgm cgn cgo cgr cgu cmb cmc cmd cme cmg cmm cmn cmo cmr cmu cn- cnb cnc cnd cne cng cnm cnn cno cnr cnu co- cob coc cod coe cog com con coo cor cou crb crc crd cre crg crm crn cro crr cru cub cuc cud cue cug cum cun cuo cur cuu dbb dbc dbd dbe dbg dbm dbn dbo dbr dbu dcb dcc dcd dce dcg dcm dcn dco dcr dcu ddb ddc ddd dde ddg ddm ddn ddo ddr ddu de- deb dec ded dee deg dem den deo der deu dgc dgd dge dgg dgm dgn dgr dgu dmb dmc dmd dme dmg dmm dmn dmo dmr dmu dnb dnc dnd dne dng dnm dnn dno dnr dob doc dod doe dog dom don doo dor dou drb drc drd dre drg drm drn dro drr dru dub duc dud due dug dum dun duo dur ebb ebc ebd ebe ebg ebm ebn ebo ebr ebu ec- ecb ecc ecd ece ecg ecm ecn eco ecr ecu ed- edb edc edd ede edg edm edn edo edr edu eeb eec eed eee eeg eem een eeo eer egb egc egd ege egg egm egn ego egr egu em- emb emc emd eme emg emm emn emo emr emu en- enb enc end ene eng enm enn eno enr enu eo- eob eoc eod eoe eog eom eon eoo eor eou erb erc erd ere erg erm ern ero err eru eu- eub euc eud eue eug eun eur g-d gbc gbd gbe gbg gbm gbn gbo gbr gbu gcb gcc gcd gce gcg gcm gcn gco gcr gcu gdb gdc gdd gde gdm gdn gdo gdr gdu ge- geb gec ged gee geg gem gen geo ger geu ggb ggc ggd ggg ggm ggn ggo ggr ggu gmb gmc gmd gme gmg gmm gmn gmo gmr gnb gnc gnd gne gnm gnn gno gnr gnu gob goc god goe gog gom gon goo gor gou grb grc grd gre grg grm grn gro grr gru gu- gub guc gud gue gug gum gun guo gur guu m-o m-r mbb mbc mbd mbe mbg mbm mbo mbr mbu mc- mcb mcc mcd mce mcg mcm mcn mco mcr mcu mdb mdc mdd mde mdg mdm mdn mdo mdr mdu meb mec med mee meg mem men meo mer meu mgb mgc mgd mge mgm mgn mgo mgr mgu mmb mmc mmd mme mmg mmm mmn mmo mmr mmu mnb mnc mne mng mnm mnn mno mnr mnu mob moc mod moe mog mom mon moo mor mou mrb mrc mrd mre mrg mrm mrn mro mrr mru mub muc mud mue mug mum mun mur muu nbb nbc nbd nbe nbg nbm nbn nbo nbr nbu ncb ncc ncd nce ncg ncm ncn nco ncr ncu ndb ndc ndd nde ndg ndm ndn ndo ndr ndu ne- neb nec ned nee neg nem nen neo ner neu ngb ngc ngd nge ngg ngm ngn ngo ngu nmb nmc nmd nme nmg nmm nmn nmo nmr nmu nnb nnc nne nng nnm nnn nno nnu no- nob noc nod noe nog nom non noo nor nou nrb nrc nrd nre nrg nrm nrn nro nrr nru nub nuc nud nue nug num nun nuo nur nuu ob- obb obc obd obe obg obm obn obo obr obu oc- ocb occ ocd ocg ocm ocn oco ocr ocu odb odc odd ode odg odm odn odo odr odu oeb oec oed oee oeg oem oen oeo oer ogc ogd oge ogg ogn ogo om- omb omc omd ome omg omm omn omo omr omu on- onb onc ond one ong onn ono onr onu oo- oob ooc ood oog oom oon ooo oor or- orb orc ord ore org orm orn oro orr oru ou- ouc oud oue oum oun ouo our rbb rbc rbd rbe rbg rbm rbn rbo rbr rbu rcb rcc rcd rce rcg rcm rcn rco rcr rcu rdb rdc rdd rde rdg rdm rdn rdo rdr rdu re- reb rec red ree reg rem ren reo rer reu rgb rgc rgd rge rgg rgn rgo rgr rmb rmc rmd rme rmg rmm rmn rmo rmr rnb rnc rnd rng rnm rnn rno rnr rnu rob roc rod roe rog rom ron roo ror rou rrb rrc rrd rrg rrm rrn rrr rru rub ruc rud rue rug rum run ruo rur ruu ubb ubc ube ubg ubn ubo ubr ubu ucb ucc ucd uce ucg ucm ucn uco ucr ucu udb udc udd ude udg udm udn udo udr udu ueb uec ued uee ueg uem uen uer ugb ugc uge ugg ugm ugn ugo ugr ugu um- umb umc umd ume umg umm umn umo umr umu un- unb unc und une ung unm unn uno unr unu uob uoc uod uoe uog uom uon uoo uor ur- urb urc urd ure urg urm urn uro urr uru uuc uue uug uum uun uur uuu