-er -ol b-u bbb bbd bbe bbl bbo bbr bbu bdb bdd bde bdj bdl bdo bdr bdu be- beb bed bee bel beo ber beu bjd bjj bjr bju blb bld ble blj bll blo blr blu bob bod boe boj bol boo bor bou brb brd bre brj brl bro brr bru bub bud bue buj bul buo bur buu dbb dbd dbe dbl dbo dbr dbu ddb ddd dde ddl ddo ddr ddu de- deb ded dee dej del deo der deu dj- djb djd dje djl djo dl- dlb dld dle dlj dll dlo dlr dlu dob dod doe doj dol doo dor dou drb drd dre drj drl dro drr dru dub dud due dul duo dur ebb ebd ebe ebj ebl ebo ebr ebu ed- edb edd ede edj edl edo edr edu eeb eed eee eel eeo eer ejd ejl ejo eju elb eld ele ell elo elr elu eo- eob eod eoe eol eoo eor eou erb erd ere erl ero err eru eu- eub eud eue euj eul eur j-d jbj jbl jbo jbr jbu jdb jde jdl jdo jdr jeb jed jee jej jel jeo jer jeu jjb jjj jjl jjr jju jlb jle jll jlo jlr jlu job jod joe joj jol joo jor jou jrb jrl jro jrr jub jud jue jul juo jur lbb lbd lbe lbj lbl lbo lbr lbu ldb ldd lde ldj ldl ldo ldr ldu leb led lee lej lel leo ler leu lje ljj lju llb lld lle llj lll llo llr llu lob lod loe loj lol loo lor lou lrb lrd lro lrr lru lub lud lue lul luo lur luu ob- obb obd obe obj obl obo obr obu odb odd ode odl odo odr odu oeb oed oee oel oeo oer ojb ojd oje ojo oju olb old ole oll olo olu oo- oob ood ool ooo oor or- orb ord ore orl oro orr oru ou- oud oue oul ouo our rbb rbd rbe rbl rbo rbr rbu rdb rdd rde rdj rdl rdo rdr rdu re- reb red ree rel reo rer reu rjr rld rle rll rlo rlr rlu rob rod roe roj rol roo ror rou rrb rrd rrl rrr rru rub rud rue ruo rur ruu ubb ube ubl ubo ubr ubu udb udd ude udj udl udo udr udu ueb ued uee uel uer ujo ulb uld ule ull ulo ulr ulu uob uod uoe uoj uol uoo uor ur- urb urd ure url uro urr uru uue uur uuu