-er -ic b-p bbb bbc bbd bbe bbi bbm bbn bbo bbp bbr bcb bcc bcd bce bci bcm bcn bco bcp bcr bdb bdc bdd bde bdi bdm bdo bdp bdr be- beb bec bed bee bei bem ben beo bep ber bi- bib bic bid bie bii bim bin bio bip bir bmb bmc bmd bme bmi bmm bmn bmo bmp bmr bnb bnc bnd bne bni bnn bno bnp bnr bob boc bod boe boi bom bon boo bop bor bpb bpc bpd bpe bpi bpm bpn bpo bpp bpr brb brd bre bri brm brn bro brp brr c-- cbb cbc cbd cbe cbi cbm cbn cbo cbp cbr ccb ccc ccd cce cci ccm ccn cco ccp ccr cdb cdc cdd cde cdi cdm cdn cdo cdp cdr ce- ceb cec ced cee cei cem cen ceo cep cer ci- cib cic cid cie cii cim cin cio cip cir cmb cmc cmd cme cmi cmm cmn cmo cmp cmr cn- cnb cnc cnd cne cni cnm cnn cno cnp cnr co- cob coc cod coe coi com con coo cop cor cpb cpc cpd cpe cpi cpm cpn cpo cpp cpr crb crc crd cre cri crm crn cro crp crr dbb dbc dbd dbe dbi dbm dbn dbo dbp dbr dcb dcc dcd dce dci dcm dcn dco dcp dcr ddb ddc ddd dde ddi ddm ddn ddo ddp ddr de- deb dec ded dee dei dem den deo dep der di- dib dic did die dii dim din dio dip dir dmb dmc dmd dme dmi dmm dmn dmo dmp dmr dnb dnc dnd dne dni dnm dnn dno dnp dnr dob doc dod doe doi dom don doo dop dor dpb dpc dpd dpe dpi dpm dpn dpo dpp dpr drb drc drd dre dri drm drn dro drp drr ebb ebc ebd ebe ebi ebm ebn ebo ebp ebr ec- ecb ecc ecd ece eci ecm ecn eco ecr ed- edb edc edd ede edi edm edn edo edp edr eeb eec eed eee eem een eeo eep eer eib eic eid eie eii eim ein eio eip eir em- emb emc emd eme emi emm emn emo emp emr en- enb enc end ene eni enm enn eno enp enr eo- eob eoc eod eoe eoi eom eon eoo eop eor ep- epb epc epd epe epi epm epn epo epp epr erb erc erd ere eri erm ern ero erp err i-d ibb ibc ibd ibe ibi ibm ibn ibo ibp ibr icb icc icd ice ici icm icn ico icp icr idb idc idd ide idi idm idn ido idp idr ie- iec ied iee iei iem ien iep ier iib iic iid iie iii iim iin iio iip iir im- imb imc imd ime imi imm imn imo imp in- inb inc ind ine ini inm inn ino inp inr io- iob ioc iod ioe ioi iom ion ioo iop ior ipb ipc ipd ipe ipi ipm ipn ipo ipp ipr ir- irb irc ird ire iri irm irn iro irp irr m-o m-r mbb mbc mbd mbe mbi mbm mbo mbp mbr mc- mcb mcc mcd mce mci mcm mcn mco mcp mcr mdb mdc mdd mde mdi mdm mdn mdo mdp mdr meb mec med mee mei mem men meo mep mer mi- mib mic mid mie mii mim min mio mip mir mmb mmc mmd mme mmi mmm mmn mmo mmp mmr mnb mnc mne mni mnm mnn mno mnp mnr mob moc mod moe moi mom mon moo mop mor mpb mpc mpd mpe mpi mpm mpn mpo mpp mpr mrb mrc mrd mre mri mrm mrn mro mrp mrr n-i nbb nbc nbd nbe nbi nbm nbn nbo nbp nbr ncb ncc ncd nce nci ncm ncn nco ncp ncr ndb ndc ndd nde ndi ndm ndn ndo ndp ndr ne- neb nec ned nee nei nem nen neo nep ner nib nic nid nie nii nim nin nio nip nir nmb nmc nmd nme nmi nmm nmn nmo nmp nmr nnb nnc nne nni nnm nnn nno nnp no- nob noc nod noe noi nom non noo nop nor npb npc npd npe npi npm npn npo npp npr nrb nrc nrd nre nri nrm nrn nro nrp nrr o-i ob- obb obc obd obe obi obm obn obo obp obr oc- ocb occ ocd oci ocm ocn oco ocp ocr odb odc odd ode odi odm odn odo odp odr oeb oec oed oee oei oem oen oeo oep oer oib oic oid oie oii oim oin oio oip oir om- omb omc omd ome omi omm omn omo omp omr on- onb onc ond one oni onn ono onp onr oo- oob ooc ood ooi oom oon ooo oop oor op- opb opc opd ope opi opm opn opo opp opr or- orb orc ord ore ori orm orn oro orp orr p-p pbb pbc pbd pbe pbi pbm pbn pbo pbp pbr pcb pcc pcd pce pci pcm pcn pco pcp pcr pdb pdc pdd pde pdi pdm pdn pdo pdp pdr peb pec ped pee pei pem pen peo pep per pib pic pid pie pii pim pin pio pip pir pmb pmc pmd pme pmi pmm pmn pmo pmp pmr pn- pnb pnc pnd pne pni pnm pnn pno pnp pnr pob poc pod poe poi pom pon poo pop por ppb ppc ppd ppe ppi ppm ppn ppo ppp ppr prb prc prd pre pri prm prn pro prp prr rbb rbc rbd rbe rbi rbm rbn rbo rbp rbr rcb rcc rcd rce rci rcm rcn rco rcp rcr rdb rdc rdd rde rdi rdm rdn rdo rdp rdr re- reb rec red ree rei rem ren reo rep rer rib ric rid rie rii rim rin rio rip rir rmb rmc rmd rme rmi rmm rmn rmo rmp rmr rnb rnc rnd rni rnm rnn rno rnp rnr rob roc rod roe