-er -ic c-- ccc ccd cce ccf cci ccm ccr ccu ccx cdc cdd cde cdf cdi cdm cdr cdu cdx ce- cec ced cee cef cei cem cer ceu cex cfc cfd cfe cff cfi cfm cfr cfu cfx ci- cic cid cie cif cii cim cir ciu cix cmc cmd cme cmf cmi cmm cmr cmu cmx crc crd cre crf cri crm crr cru crx cuc cud cue cuf cui cum cur cuu cxc cxf cxi cxr cxx dcc dcd dce dcf dci dcm dcr dcu dcx ddc ddd dde ddf ddi ddm ddr ddu ddx de- dec ded dee def dei dem der deu dex dfc dfd dfe dff dfi dfm dfr dfu dfx di- dic did die dif dii dim dir diu dix dmc dmd dme dmf dmi dmm dmr dmu dmx drc drd dre dri drm drr dru drx duc dud due duf dui dum dur dux dxc dxd dxi dxr dxx ec- ecc ecd ece ecf eci ecm ecr ecu ecx ed- edc edd ede edf edi edm edr edu edx eec eed eee eef eem eer eex ef- efc efd efe eff efi efm efr efx eic eid eie eif eii eim eir eiu eix em- emc emd eme emf emi emm emr emu emx erc erd ere erf eri erm err eru eu- euc eud eue euf eui eur eux ex- exc exd exe exi exr exu exx fcc fcd fce fcf fci fcm fcr fcu fcx fdc fdd fde fdf fdi fdm fdr fdu fdx fec fed fee fef fei fem fer feu fex ffc ffd ffe fff ffi ffm ffr ffu ffx fic fid fie fif fii fim fir fiu fix fmc fmd fme fmf fmi fmm fmr fmu fmx frc frd fre frf fri frm frr fru fud fue fuf fui fum fur fuu fux fxe fxi fxm fxr fxu fxx i-d i-f icc icd ice icf ici icm icr icu idc idd ide idf idi idm idr idu idx ie- iec ied iee ief iei iem ier iex ifc ifd ife iff ifi ifm ifr ifu ifx iic iid iie iif iii iim iir iiu iix im- imc imd ime imf imi imm imu imx ir- irc ird ire irf iri irm irr iru irx iu- iuc iud iue iui ium iur ixc ixe ixi m-f m-r mc- mcc mcd mce mcf mci mcm mcr mcu mcx mdc mdd mde mdf mdi mdm mdr mdu mdx mec med mee mef mei mem mer meu mex mfc mfd mfe mff mfi mfm mfr mfu mi- mic mid mie mif mii mim mir miu mix mmc mmd mme mmf mmi mmm mmr mmu mmx mrc mrd mre mrf mri mrm mrr mru mrx muc mud mue muf mui mum mur muu mux mxc mxd mxi mxr mxu rcc rcd rce rcf rci rcm rcr rcu rcx rdc rdd rde rdf rdi rdm rdr rdu rdx re- rec red ree ref rei rem rer reu rex rfc rfd rfe rff rfi rfm rfr rfu ric rid rie rif rii rim rir rix rmc rmd rme rmf rmi rmm rmr rmx rrc rrd rrf rri rrm rrr rru ruc rud rue ruf rui rum rur ruu rux rxr ucc ucd uce ucf uci ucm ucr ucu udc udd ude udf udi udm udr udu udx uec ued uee uef uei uem uer ufc ufd ufe uff ufi ufm ufr ufu ufx uic uid uie uif uii uim uir uiu um- umc umd ume umf umi umm umr umu ur- urc urd ure urf uri urm urr uru urx uuc uue uum uur uuu uxc uxf uxr uxu xcd xcf xci xcr xcx xdc xde xdf xdi xdm xdr xed xee xem xer xeu xex xfe xfm xfx xic xie xii xiu xix xmc xmd xmf xmi xmm xmr xmu xmx xrc xrd xrf xrx xue xui xxi xxx