-ic -ol b-u bbb bbc bbd bbe bbi bbl bbo bbu bcb bcc bcd bce bci bcl bco bcu bdb bdc bdd bde bdi bdl bdo bdu be- beb bec bed bee bei bel beo beu bi- bib bic bid bie bii bil bio biu blb blc bld ble bli bll blo blu bob boc bod boe boi bol boo bou bub buc bud bue bui bul buo buu c-- cbb cbc cbd cbe cbi cbl cbo cbu ccb ccc ccd cce cci ccl cco ccu cdb cdc cdd cde cdi cdl cdo cdu ce- ceb cec ced cee cei cel ceo ceu ci- cib cic cid cie cii cil cio ciu cl- clb clc cld cle cli cll clo clu co- cob coc cod coe coi col coo cou cub cuc cud cue cui cul cuo cuu dbb dbc dbd dbe dbi dbl dbo dbu dcb dcc dcd dce dci dcl dco dcu ddb ddc ddd dde ddi ddl ddo ddu de- deb dec ded dee dei del deo deu di- dib dic did die dii dil dio diu dl- dlb dlc dld dle dli dll dlo dlu dob doc dod doe doi dol doo dou dub duc dud due dui dul duo ebb ebc ebd ebe ebi ebl ebo ebu ec- ecb ecc ecd ece eci ecl eco ecu ed- edb edc edd ede edi edl edo edu eeb eec eed eee eel eeo eib eic eid eie eii eil eio eiu elb elc eld ele eli ell elo elu eo- eob eoc eod eoe eoi eol eoo eou eu- eub euc eud eue eui eul i-d ibb ibc ibd ibe ibi ibl ibo ibu icb icc icd ice ici icl ico icu idb idc idd ide idi idl ido idu ie- iec ied iee iei iel iib iic iid iie iii iil iio iiu il- ilb ilc ild ile ili ill ilo ilu io- iob ioc iod ioe ioi iol ioo iou iu- iub iuc iud iue iui lbb lbc lbd lbe lbi lbl lbo lbu lcb lcc lcd lce lci lcl lco lcu ldb ldc ldd lde ldi ldl ldo ldu leb lec led lee lei lel leo leu lib lic lid lie lii lil lio liu llb llc lld lle lli lll llo llu lob loc lod loe loi lol loo lou lub luc lud lue lui lul luo luu o-i ob- obb obc obd obe obi obl obo obu oc- ocb occ ocd oci ocl oco ocu odb odc odd ode odi odl odo odu oeb oec oed oee oei oel oeo oib oic oid oie oii oil oio oiu olb olc old ole oli oll olo olu oo- oob ooc ood ooi ool ooo ou- ouc oud oue oui oul ouo ubb ubc ube ubi ubl ubo ubu ucb ucc ucd uce uci ucl uco ucu udb udc udd ude udi udl udo udu ueb uec ued uee uei uel uib uic uid uie uii uil uio uiu ulb ulc uld ule uli ull ulo ulu uob uoc uod uoe uol uoo uuc uue uuu