-er -ic -up b-p b-u bbb bbc bbd bbe bbi bbm bbn bbo bbp bbr bbs bbu bcb bcc bcd bce bci bcm bcn bco bcp bcr bcs bcu bdb bdc bdd bde bdi bdm bdo bdp bdr bds bdu be- beb bec bed bee bei bem ben beo bep ber bes beu bi- bib bic bid bie bii bim bin bio bip bir bis biu bmb bmc bmd bme bmi bmm bmn bmo bmp bmr bms bmu bnb bnc bnd bne bni bnn bno bnp bnr bns bnu bob boc bod boe boi bom bon boo bop bor bos bou bpb bpc bpd bpe bpi bpm bpn bpo bpp bpr bps bpu brb brd bre bri brm brn bro brp brr brs bru bsb bsc bsd bse bsi bsm bsn bso bsp bsr bss bsu bub buc bud bue bui bum bun buo bup bur bus buu c-- cbb cbc cbd cbe cbi cbm cbn cbo cbp cbr cbs cbu ccb ccc ccd cce cci ccm ccn cco ccp ccr ccs ccu cdb cdc cdd cde cdi cdm cdn cdo cdp cdr cds cdu ce- ceb cec ced cee cei cem cen ceo cep cer ces ceu ci- cib cic cid cie cii cim cin cio cip cir cis ciu cmb cmc cmd cme cmi cmm cmn cmo cmp cmr cms cmu cn- cnb cnc cnd cne cni cnm cnn cno cnp cnr cns cnu co- cob coc cod coe coi com con coo cop cor cos cou cpb cpc cpd cpe cpi cpm cpn cpo cpp cpr cps cpu crb crc crd cre cri crm crn cro crp crr crs cru csb csc csd cse csi csm csn cso csp csr css csu cub cuc cud cue cui cum cun cuo cup cur cus cuu dbb dbc dbd dbe dbi dbm dbn dbo dbp dbr dbs dbu dcb dcc dcd dce dci dcm dcn dco dcp dcr dcs dcu ddb ddc ddd dde ddi ddm ddn ddo ddp ddr dds ddu de- deb dec ded dee dei dem den deo dep der des deu di- dib dic did die dii dim din dio dip dir dis diu dmb dmc dmd dme dmi dmm dmn dmo dmp dmr dms dmu dnb dnc dnd dne dni dnm dnn dno dnp dnr dns dob doc dod doe doi dom don doo dop dor dos dou dpb dpc dpd dpe dpi dpm dpn dpo dpp dpr dps dpu drb drc drd dre dri drm drn dro drp drr drs dru dsb dsc dsd dse dsi dsm dsn dso dsp dsr dss dsu dub duc dud due dui dum dun duo dup dur dus ebb ebc ebd ebe ebi ebm ebn ebo ebp ebr ebs ebu ec- ecb ecc ecd ece eci ecm ecn eco ecr ecs ecu ed- edb edc edd ede edi edm edn edo edp edr eds edu eeb eec eed eee eem een eeo eep eer ees eib eic eid eie eii eim ein eio eip eir eis eiu em- emb emc emd eme emi emm emn emo emp emr ems emu en- enb enc end ene eni enm enn eno enp enr ens enu eo- eob eoc eod eoe eoi eom eon eoo eop eor eos eou ep- epb epc epd epe epi epm epn epo epp epr eps epu erb erc erd ere eri erm ern ero erp err ers eru es- esb esc esd ese esi esm esn eso esp esr ess esu eu- eub euc eud eue eui eun eup eur eus i-d ibb ibc ibd ibe ibi ibm ibn ibo ibp ibr ibs ibu icb icc icd ice ici icm icn ico icp icr ics icu idb idc idd ide idi idm idn ido idp idr ids idu ie- iec ied iee iei iem ien iep ier ies iib iic iid iie iii iim iin iio iip iir iis iiu im- imb imc imd ime imi imm imn imo imp ims imu in- inb inc ind ine ini inm inn ino inp inr ins inu io- iob ioc iod ioe ioi iom ion ioo iop ior ios iou ipb ipc ipd ipe ipi ipm ipn ipo ipp ipr ips ipu ir- irb irc ird ire iri irm irn iro irp irr irs iru is- isb isc isd ise isi ism isn iso isp isr iss isu iu- iub iuc iud iue iui ium iup iur ius m-o m-r mbb mbc mbd mbe mbi mbm mbo mbp mbr mbs mbu mc- mcb mcc mcd mce mci mcm mcn mco mcp mcr mcs mcu mdb mdc mdd mde mdi mdm mdn mdo mdp mdr mds mdu meb mec med mee mei mem men meo mep mer mes meu mi- mib mic mid mie mii mim min mio mip mir mis miu mmb mmc mmd mme mmi mmm mmn mmo mmp mmr mms mmu mnb mnc mne mni mnm mnn mno mnp mnr mns mnu mob moc mod moe moi mom mon moo mop mor mos mou mpb mpc mpd mpe mpi mpm mpn mpo mpp mpr mps mpu mrb mrc mrd mre mri mrm mrn mro mrp mrr mrs mru msb msc msd mse msi msm msn mso msp msr mss msu mub muc mud mue mui mum mun mup mur mus muu n-i nbb nbc nbd nbe nbi nbm nbn nbo nbp nbr nbs nbu ncb ncc ncd nce nci ncm ncn nco ncp ncr ncs ncu ndb ndc ndd nde ndi ndm ndn ndo ndp ndr nds ndu ne- neb nec ned nee nei nem nen neo nep ner nes neu nib nic nid nie nii nim nin nio nip nir nis niu nmb nmc nmd nme nmi nmm nmn nmo nmp nmr nms nmu nnb nnc nne nni nnm nnn nno nnp nns nnu no- nob noc nod noe noi nom non noo nop nor nos nou npb npc npd npe npi npm npn npo npp npr nps npu nrb nrc nrd nre nri nrm nrn nro nrp nrr nrs nru nsb nsc