-er -ic b-u bbb bbc bbd bbe bbi bbm bbn bbo bbr bbt bbu bcb bcc bcd bce bci bcm bcn bco bcr bct bcu bdb bdc bdd bde bdi bdm bdo bdr bdt bdu be- beb bec bed bee bei bem ben beo ber bet beu bi- bib bic bid bie bii bim bin bio bir bit biu bmb bmc bmd bme bmi bmm bmn bmo bmr bmt bmu bnb bnc bnd bne bni bnn bno bnr bnt bnu bob boc bod boe boi bom bon boo bor bot bou brb brd bre bri brm brn bro brr brt bru btb btc btd bte bti btm btn bto btr btt btu bub buc bud bue bui bum bun buo bur but buu c-- cbb cbc cbd cbe cbi cbm cbn cbo cbr cbt cbu ccb ccc ccd cce cci ccm ccn cco ccr cct ccu cdb cdc cdd cde cdi cdm cdn cdo cdr cdt cdu ce- ceb cec ced cee cei cem cen ceo cer cet ceu ci- cib cic cid cie cii cim cin cio cir cit ciu cmb cmc cmd cme cmi cmm cmn cmo cmr cmt cmu cn- cnb cnc cnd cne cni cnm cnn cno cnr cnt cnu co- cob coc cod coe coi com con coo cor cot cou crb crc crd cre cri crm crn cro crr crt cru ctb ctc ctd cte cti ctm ctn cto ctr ctt ctu cub cuc cud cue cui cum cun cuo cur cut cuu dbb dbc dbd dbe dbi dbm dbn dbo dbr dbt dbu dcb dcc dcd dce dci dcm dcn dco dcr dct dcu ddb ddc ddd dde ddi ddm ddn ddo ddr ddt ddu de- deb dec ded dee dei dem den deo der det deu di- dib dic did die dii dim din dio dir dit diu dmb dmc dmd dme dmi dmm dmn dmo dmr dmt dmu dnb dnc dnd dne dni dnm dnn dno dnr dnt dob doc dod doe doi dom don doo dor dot dou drb drc drd dre dri drm drn dro drr drt dru dtb dtc dtd dte dti dtm dtn dto dtr dtt dtu dub duc dud due dui dum dun duo dur dut ebb ebc ebd ebe ebi ebm ebn ebo ebr ebt ebu ec- ecb ecc ecd ece eci ecm ecn eco ecr ect ecu ed- edb edc edd ede edi edm edn edo edr edt edu eeb eec eed eee eem een eeo eer eet eib eic eid eie eii eim ein eio eir eit eiu em- emb emc emd eme emi emm emn emo emr emt emu en- enb enc end ene eni enm enn eno enr ent enu eo- eob eoc eod eoe eoi eom eon eoo eor eot eou erb erc erd ere eri erm ern ero err ert eru etb etc etd ete eti etm etn eto etr ett etu eu- eub euc eud eue eui eun eur eut i-d ibb ibc ibd ibe ibi ibm ibn ibo ibr ibt ibu icb icc icd ice ici icm icn ico icr ict icu idb idc idd ide idi idm idn ido idr idt idu ie- iec ied iee iei iem ien ier iet iib iic iid iie iii iim iin iio iir iit iiu im- imb imc imd ime imi imm imn imo imt imu in- inb inc ind ine ini inm inn ino inr int inu io- iob ioc iod ioe ioi iom ion ioo ior iot iou ir- irb irc ird ire iri irm irn iro irr irt iru itb itc itd ite iti itm itn ito itt itu iu- iub iuc iud iue iui ium iur iut m-o m-r mbb mbc mbd mbe mbi mbm mbo mbr mbt mbu mc- mcb mcc mcd mce mci mcm mcn mco mcr mct mcu mdb mdc mdd mde mdi mdm mdn mdo mdr mdt mdu meb mec med mee mei mem men meo mer met meu mi- mib mic mid mie mii mim min mio mir mit miu mmb mmc mmd mme mmi mmm mmn mmo mmr mmt mmu mnb mnc mne mni mnm mnn mno mnr mnt mnu mob moc mod moe moi mom mon moo mor mot mou mrb mrc mrd mre mri mrm mrn mro mrr mrt mru mtb mtc mtd mte mti mtm mtn mto mtr mtt mtu mub muc mud mue mui mum mun mur mut muu n-i nbb nbc nbd nbe nbi nbm nbn nbo nbr nbt nbu ncb ncc ncd nce nci ncm ncn nco ncr nct ncu ndb ndc ndd nde ndi ndm ndn ndo ndr ndt ndu ne- neb nec ned nee nei nem nen neo ner net neu nib nic nid nie nii nim nin nio nir nit niu nmb nmc nmd nme nmi nmm nmn nmo nmr nmt nmu nnb nnc nne nni nnm nnn nno nnt nnu no- nob noc nod noe noi nom non noo nor not nou nrb nrc nrd nre nri nrm nrn nro nrr nrt nru ntb ntc ntd nte nti ntm ntn nto ntr ntt ntu nub nuc nud nue nui num nun nuo nur nut nuu o-i ob- obb obc obd obe obi obm obn obo obr obt obu oc- ocb occ ocd oci ocm ocn oco ocr oct ocu odb odc odd ode odi odm odn odo odr odt odu oeb oec oed oee oei oem oen oeo oer oet oib oic oid oie oii oim oin oio oir oit oiu om- omb omc omd ome omi omm omn omo omr omt omu on- onb onc ond one oni onn ono onr ont onu oo- oob ooc ood ooi oom oon ooo oor oot or- orb orc ord ore ori orm orn oro orr ort oru ot- otb otc otd ote oti otm otn oto otr ott otu ou- ouc oud oue oui oum oun ouo our out rbb rbc rbd rbe rbi rbm rbn rbo rbr rbt rbu rcb rcc rcd rce rci rcm rcn rco rcr rct