-er -ji bbb bbd bbe bbi bbo bbr bdb bdd bde bdi bdj bdo bdr be- beb bed bee bei beo ber bi- bib bid bie bii bij bio bir bjd bji bjj bjr bob bod boe boi boj boo bor brb brd bre bri brj bro brr dbb dbd dbe dbi dbo dbr ddb ddd dde ddi ddo ddr de- deb ded dee dei dej deo der di- dib did die dii dio dir dj- djb djd dje dji djo dob dod doe doi doj doo dor drb drd dre dri drj dro drr ebb ebd ebe ebi ebj ebo ebr ed- edb edd ede edi edj edo edr eeb eed eee eeo eer eib eid eie eii eij eio eir ejd eji ejo eo- eob eod eoe eoi eoo eor erb erd ere eri ero err i-d ibb ibd ibe ibi ibj ibo ibr idb idd ide idi ido idr ie- ied iee iei iej ier iib iid iie iii iij iio iir ijb ije iji ijo io- iob iod ioe ioi ioj ioo ior ir- irb ird ire iri irj iro irr j-d j-i jbi jbj jbo jbr jdb jde jdi jdo jdr jeb jed jee jei jej jeo jer jib jie jii jij jio jir jjb jjj jjr job jod joe joi joj joo jor jrb jri jro jrr o-i ob- obb obd obe obi obj obo obr odb odd ode odi odo odr oeb oed oee oei oeo oer oib oid oie oii oio oir ojb ojd oje oji ojo oo- oob ood ooi ooo oor or- orb ord ore ori oro orr rbb rbd rbe rbi rbo rbr rdb rdd rde rdi rdj rdo rdr re- reb red ree rei reo rer rib rid rie rii rio rir rjr rob rod roe roi roj roo ror rrb rrd rri rrr