-er -ic bbb bbc bbd bbe bbi bbo bbr bcb bcc bcd bce bci bco bcr bcz bdb bdc bdd bde bdi bdo bdr bdz be- beb bec bed bee bei beo ber bez bi- bib bic bid bie bii bio bir biz bob boc bod boe boi boo bor boz brb brd bre bri bro brr brz bzd bze bzo bzr bzz c-- cbb cbc cbd cbe cbi cbo cbr cbz ccb ccc ccd cce cci cco ccr ccz cdb cdc cdd cde cdi cdo cdr cdz ce- ceb cec ced cee cei ceo cer cez ci- cib cic cid cie cii cio cir co- cob coc cod coe coi coo cor coz crb crc crd cre cri cro crr crz cz- czc czd cze czo dbb dbc dbd dbe dbi dbo dbr dbz dcb dcc dcd dce dci dco dcr ddb ddc ddd dde ddi ddo ddr ddz de- deb dec ded dee dei deo der dez di- dib dic did die dii dio dir diz dob doc dod doe doi doo dor doz drb drc drd dre dri dro drr drz dzb dzd dze dzi dzo dzr ebb ebc ebd ebe ebi ebo ebr ec- ecb ecc ecd ece eci eco ecr ed- edb edc edd ede edi edo edr eeb eec eed eee eeo eer eib eic eid eie eii eio eir eo- eob eoc eod eoe eoi eoo eor erb erc erd ere eri ero err erz eze ezo ezr ezz i-d ibb ibc ibd ibe ibi ibo ibr ibz icb icc icd ice ici ico icr icz idb idc idd ide idi ido idr ie- iec ied iee iei ier iib iic iid iie iii iio iir io- iob ioc iod ioe ioi ioo ior ir- irb irc ird ire iri iro irr ize izi izo izz o-i ob- obb obc obd obe obi obo obr oc- ocb occ ocd oci oco ocr ocz odb odc odd ode odi odo odr oeb oec oed oee oei oeo oer oib oic oid oie oii oio oir oiz oo- oob ooc ood ooi ooo oor or- orb orc ord ore ori oro orr orz oze ozo ozz rbb rbc rbd rbe rbi rbo rbr rcb rcc rcd rce rci rco rcr rdb rdc rdd rde rdi rdo rdr re- reb rec red ree rei reo rer rez rib ric rid rie rii rio rir riz rob roc rod roe roi roo ror roz rrb rrc rrd rri rrr rzb rze rzo zbb zbc zbr zce zco zeb zec zed zee zeo zer zez zib zid zie zio zir ziz zo- zob zoc zod zoe zoi zoo zor zro zzr zzz