-er -ic bbb bbc bbd bbe bbi bbn bbr bbt bbx bcb bcc bcd bce bci bcn bcr bct bcx bdb bdc bdd bde bdi bdr bdt bdx be- beb bec bed bee bei ben ber bet bex bi- bib bic bid bie bii bin bir bit bix bnb bnc bnd bne bni bnn bnr bnt bnx brb brd bre bri brn brr brt brx btb btc btd bte bti btn btr btt btx bxb bxd bxi bxn bxx c-- cbb cbc cbd cbe cbi cbn cbr cbt cbx ccb ccc ccd cce cci ccn ccr cct ccx cdb cdc cdd cde cdi cdn cdr cdt cdx ce- ceb cec ced cee cei cen cer cet cex ci- cib cic cid cie cii cin cir cit cix cn- cnb cnc cnd cne cni cnn cnr cnt cnx crb crc crd cre cri crn crr crt crx ctb ctc ctd cte cti ctn ctr ctt ctx cxc cxi cxr cxt cxx dbb dbc dbd dbe dbi dbn dbr dbt dbx dcb dcc dcd dce dci dcn dcr dct dcx ddb ddc ddd dde ddi ddn ddr ddt ddx de- deb dec ded dee dei den der det dex di- dib dic did die dii din dir dit dix dnb dnc dnd dne dni dnn dnr dnt drb drc drd dre dri drn drr drt drx dtb dtc dtd dte dti dtn dtr dtt dtx dxc dxd dxi dxn dxr dxt dxx ebb ebc ebd ebe ebi ebn ebr ebt ebx ec- ecb ecc ecd ece eci ecn ecr ect ecx ed- edb edc edd ede edi edn edr edt edx eeb eec eed eee een eer eet eex eib eic eid eie eii ein eir eit eix en- enb enc end ene eni enn enr ent erb erc erd ere eri ern err ert etb etc etd ete eti etn etr ett etx ex- exc exd exe exi exr ext exx i-d ibb ibc ibd ibe ibi ibn ibr ibt ibx icb icc icd ice ici icn icr ict idb idc idd ide idi idn idr idt idx ie- iec ied iee iei ien ier iet iex iib iic iid iie iii iin iir iit iix in- inb inc ind ine ini inn inr int inx ir- irb irc ird ire iri irn irr irt irx itb itc itd ite iti itn itt itx ixc ixe ixi ixn n-i nbb nbc nbd nbe nbi nbn nbr nbt nbx ncb ncc ncd nce nci ncn ncr nct ncx ndb ndc ndd nde ndi ndn ndr ndt ne- neb nec ned nee nei nen ner net nex nib nic nid nie nii nin nir nit nix nnb nnc nne nni nnn nnt nrb nrc nrd nre nri nrn nrr nrt nrx ntb ntc ntd nte nti ntn ntr ntt ntx nxc nxd nxt rbb rbc rbd rbe rbi rbn rbr rbt rbx rcb rcc rcd rce rci rcn rcr rct rcx rdb rdc rdd rde rdi rdn rdr rdt rdx re- reb rec red ree rei ren rer ret rex rib ric rid rie rii rin rir rit rix rnb rnc rnd rni rnn rnr rnt rrb rrc rrd rri rrn rrr rrt rtb rtc rtd rte rti rtn rtr rtt rtx rxr t-x tbb tbc tbd tbe tbi tbn tbr tbt tcb tcc tcd tce tci tcn tcr tct tcx tdb tdc tdd tde tdi tdn tdr tdt tdx te- teb tec ted tee tei ten ter tet tex tib tic tid tie tii tin tir tit tix tnb tnc tnd tne tni tnn tnr tnt tnx trb trc trd tre tri trn trr trt trx ttb ttc ttd tte tti ttn ttr ttt ttx txe txi txn txt xbc xbe xbr xbx xcb xcd xci xcr xcx xdb xdc xde xdi xdr xdt xed xee xen xer xet xex xic xie xii xin xit xix xnc xrc xrd xrt xrx xtc xti xtr xtx xxi xxx