-er -ic b-u bbb bbc bbd bbe bbi bbm bbn bbo bbr bbs bbu bcb bcc bcd bce bci bcm bcn bco bcr bcs bcu bdb bdc bdd bde bdi bdm bdo bdr bds bdu be- beb bec bed bee bei bem ben beo ber bes beu bi- bib bic bid bie bii bim bin bio bir bis biu bmb bmc bmd bme bmi bmm bmn bmo bmr bms bmu bnb bnc bnd bne bni bnn bno bnr bns bnu bob boc bod boe boi bom bon boo bor bos bou brb brd bre bri brm brn bro brr brs bru bsb bsc bsd bse bsi bsm bsn bso bsr bss bsu bub buc bud bue bui bum bun buo bur bus buu c-- cbb cbc cbd cbe cbi cbm cbn cbo cbr cbs cbu ccb ccc ccd cce cci ccm ccn cco ccr ccs ccu cdb cdc cdd cde cdi cdm cdn cdo cdr cds cdu ce- ceb cec ced cee cei cem cen ceo cer ces ceu ci- cib cic cid cie cii cim cin cio cir cis ciu cmb cmc cmd cme cmi cmm cmn cmo cmr cms cmu cn- cnb cnc cnd cne cni cnm cnn cno cnr cns cnu co- cob coc cod coe coi com con coo cor cos cou crb crc crd cre cri crm crn cro crr crs cru csb csc csd cse csi csm csn cso csr css csu cub cuc cud cue cui cum cun cuo cur cus cuu dbb dbc dbd dbe dbi dbm dbn dbo dbr dbs dbu dcb dcc dcd dce dci dcm dcn dco dcr dcs dcu ddb ddc ddd dde ddi ddm ddn ddo ddr dds ddu de- deb dec ded dee dei dem den deo der des deu di- dib dic did die dii dim din dio dir dis diu dmb dmc dmd dme dmi dmm dmn dmo dmr dms dmu dnb dnc dnd dne dni dnm dnn dno dnr dns dob doc dod doe doi dom don doo dor dos dou drb drc drd dre dri drm drn dro drr drs dru dsb dsc dsd dse dsi dsm dsn dso dsr dss dsu dub duc dud due dui dum dun duo dur dus ebb ebc ebd ebe ebi ebm ebn ebo ebr ebs ebu ec- ecb ecc ecd ece eci ecm ecn eco ecr ecs ecu ed- edb edc edd ede edi edm edn edo edr eds edu eeb eec eed eee eem een eeo eer ees eib eic eid eie eii eim ein eio eir eis eiu em- emb emc emd eme emi emm emn emo emr ems emu en- enb enc end ene eni enm enn eno enr ens enu eo- eob eoc eod eoe eoi eom eon eoo eor eos eou erb erc erd ere eri erm ern ero err ers eru es- esb esc esd ese esi esm esn eso esr ess esu eu- eub euc eud eue eui eun eur eus i-d ibb ibc ibd ibe ibi ibm ibn ibo ibr ibs ibu icb icc icd ice ici icm icn ico icr ics icu idb idc idd ide idi idm idn ido idr ids idu ie- iec ied iee iei iem ien ier ies iib iic iid iie iii iim iin iio iir iis iiu im- imb imc imd ime imi imm imn imo ims imu in- inb inc ind ine ini inm inn ino inr ins inu io- iob ioc iod ioe ioi iom ion ioo ior ios iou ir- irb irc ird ire iri irm irn iro irr irs iru is- isb isc isd ise isi ism isn iso isr iss isu iu- iub iuc iud iue iui ium iur ius m-o m-r mbb mbc mbd mbe mbi mbm mbo mbr mbs mbu mc- mcb mcc mcd mce mci mcm mcn mco mcr mcs mcu mdb mdc mdd mde mdi mdm mdn mdo mdr mds mdu meb mec med mee mei mem men meo mer mes meu mi- mib mic mid mie mii mim min mio mir mis miu mmb mmc mmd mme mmi mmm mmn mmo mmr mms mmu mnb mnc mne mni mnm mnn mno mnr mns mnu mob moc mod moe moi mom mon moo mor mos mou mrb mrc mrd mre mri mrm mrn mro mrr mrs mru msb msc msd mse msi msm msn mso msr mss msu mub muc mud mue mui mum mun mur mus muu n-i nbb nbc nbd nbe nbi nbm nbn nbo nbr nbs nbu ncb ncc ncd nce nci ncm ncn nco ncr ncs ncu ndb ndc ndd nde ndi ndm ndn ndo ndr nds ndu ne- neb nec ned nee nei nem nen neo ner nes neu nib nic nid nie nii nim nin nio nir nis niu nmb nmc nmd nme nmi nmm nmn nmo nmr nms nmu nnb nnc nne nni nnm nnn nno nns nnu no- nob noc nod noe noi nom non noo nor nos nou nrb nrc nrd nre nri nrm nrn nro nrr nrs nru nsb nsc nsd nse nsi nsm nsn nso nsr nss nsu nub nuc nud nue nui num nun nuo nur nus nuu o-i ob- obb obc obd obe obi obm obn obo obr obs obu oc- ocb occ ocd oci ocm ocn oco ocr ocs ocu odb odc odd ode odi odm odn odo odr ods odu oeb oec oed oee oei oem oen oeo oer oes oib oic oid oie oii oim oin oio oir ois oiu om- omb omc omd ome omi omm omn omo omr oms omu on- onb onc ond one oni onn ono onr ons onu oo- oob ooc ood ooi oom oon ooo oor oos or- orb orc ord ore ori orm orn oro orr ors oru os- osb osc osd ose osi osm osn oso osr oss osu ou- ouc oud oue oui oum oun ouo our ous rbb rbc rbd rbe rbi rbm rbn rbo rbr rbs rbu rcb rcc rcd rce rci rcm rcn