-er -ic b-u bbb bbc bbd bbe bbi bbm bbn bbo bbr bbu bcb bcc bcd bce bci bcm bcn bco bcr bcu bdb bdc bdd bde bdi bdm bdo bdr bdu be- beb bec bed bee bei bem ben beo ber beu bi- bib bic bid bie bii bim bin bio bir biu bmb bmc bmd bme bmi bmm bmn bmo bmr bmu bnb bnc bnd bne bni bnn bno bnr bnu bob boc bod boe boi bom bon boo bor bou brb brd bre bri brm brn bro brr bru bub buc bud bue bui bum bun buo bur buu c-- cbb cbc cbd cbe cbi cbm cbn cbo cbr cbu ccb ccc ccd cce cci ccm ccn cco ccr ccu cdb cdc cdd cde cdi cdm cdn cdo cdr cdu ce- ceb cec ced cee cei cem cen ceo cer ceu ci- cib cic cid cie cii cim cin cio cir ciu cmb cmc cmd cme cmi cmm cmn cmo cmr cmu cn- cnb cnc cnd cne cni cnm cnn cno cnr cnu co- cob coc cod coe coi com con coo cor cou crb crc crd cre cri crm crn cro crr cru cub cuc cud cue cui cum cun cuo cur cuu dbb dbc dbd dbe dbi dbm dbn dbo dbr dbu dcb dcc dcd dce dci dcm dcn dco dcr dcu ddb ddc ddd dde ddi ddm ddn ddo ddr ddu de- deb dec ded dee dei dem den deo der deu di- dib dic did die dii dim din dio dir diu dmb dmc dmd dme dmi dmm dmn dmo dmr dmu dnb dnc dnd dne dni dnm dnn dno dnr dob doc dod doe doi dom don doo dor dou drb drc drd dre dri drm drn dro drr dru dub duc dud due dui dum dun duo dur ebb ebc ebd ebe ebi ebm ebn ebo ebr ebu ec- ecb ecc ecd ece eci ecm ecn eco ecr ecu ed- edb edc edd ede edi edm edn edo edr edu eeb eec eed eee eem een eeo eer eib eic eid eie eii eim ein eio eir eiu em- emb emc emd eme emi emm emn emo emr emu en- enb enc end ene eni enm enn eno enr enu eo- eob eoc eod eoe eoi eom eon eoo eor eou erb erc erd ere eri erm ern ero err eru eu- eub euc eud eue eui eun eur i-d ibb ibc ibd ibe ibi ibm ibn ibo ibr ibu icb icc icd ice ici icm icn ico icr icu idb idc idd ide idi idm idn ido idr idu ie- iec ied iee iei iem ien ier iib iic iid iie iii iim iin iio iir iiu im- imb imc imd ime imi imm imn imo imu in- inb inc ind ine ini inm inn ino inr inu io- iob ioc iod ioe ioi iom ion ioo ior iou ir- irb irc ird ire iri irm irn iro irr iru iu- iub iuc iud iue iui ium iur m-o m-r mbb mbc mbd mbe mbi mbm mbo mbr mbu mc- mcb mcc mcd mce mci mcm mcn mco mcr mcu mdb mdc mdd mde mdi mdm mdn mdo mdr mdu meb mec med mee mei mem men meo mer meu mi- mib mic mid mie mii mim min mio mir miu mmb mmc mmd mme mmi mmm mmn mmo mmr mmu mnb mnc mne mni mnm mnn mno mnr mnu mob moc mod moe moi mom mon moo mor mou mrb mrc mrd mre mri mrm mrn mro mrr mru mub muc mud mue mui mum mun mur muu n-i nbb nbc nbd nbe nbi nbm nbn nbo nbr nbu ncb ncc ncd nce nci ncm ncn nco ncr ncu ndb ndc ndd nde ndi ndm ndn ndo ndr ndu ne- neb nec ned nee nei nem nen neo ner neu nib nic nid nie nii nim nin nio nir niu nmb nmc nmd nme nmi nmm nmn nmo nmr nmu nnb nnc nne nni nnm nnn nno nnu no- nob noc nod noe noi nom non noo nor nou nrb nrc nrd nre nri nrm nrn nro nrr nru nub nuc nud nue nui num nun nuo nur nuu o-i ob- obb obc obd obe obi obm obn obo obr obu oc- ocb occ ocd oci ocm ocn oco ocr ocu odb odc odd ode odi odm odn odo odr odu oeb oec oed oee oei oem oen oeo oer oib oic oid oie oii oim oin oio oir oiu om- omb omc omd ome omi omm omn omo omr omu on- onb onc ond one oni onn ono onr onu oo- oob ooc ood ooi oom oon ooo oor or- orb orc ord ore ori orm orn oro orr oru ou- ouc oud oue oui oum oun ouo our rbb rbc rbd rbe rbi rbm rbn rbo rbr rbu rcb rcc rcd rce rci rcm rcn rco rcr rcu rdb rdc rdd rde rdi rdm rdn rdo rdr rdu re- reb rec red ree rei rem ren reo rer reu rib ric rid rie rii rim rin rio rir rmb rmc rmd rme rmi rmm rmn rmo rmr rnb rnc rnd rni rnm rnn rno rnr rnu rob roc rod roe roi rom ron roo ror rou rrb rrc rrd rri rrm rrn rrr rru rub ruc rud rue rui rum run ruo rur ruu ubb ubc ube ubi ubn ubo ubr ubu ucb ucc ucd uce uci ucm ucn uco ucr ucu udb udc udd ude udi udm udn udo udr udu ueb uec ued uee uei uem uen uer uib uic uid uie uii uim uin uio uir uiu um- umb umc umd ume umi umm umn umo umr umu un- unb unc und une uni unm unn uno unr unu uob uoc uod uoe uom uon uoo uor ur- urb urc urd ure uri urm urn uro urr uru uuc uue uum uun uur uuu