-ic -ol b-u bbb bbc bbd bbf bbi bbl bbo bbu bcb bcc bcd bcf bci bcl bco bcu bdb bdc bdd bdf bdi bdl bdo bdu bfb bfc bfd bff bfi bfl bfo bfu bi- bib bic bid bif bii bil bio biu blb blc bld blf bli bll blo blu bob boc bod bof boi bol boo bou bub buc bud buf bui bul buo buu c-- cbb cbc cbd cbf cbi cbl cbo cbu ccb ccc ccd ccf cci ccl cco ccu cdb cdc cdd cdf cdi cdl cdo cdu cfb cfc cfd cff cfi cfl cfo cfu ci- cib cic cid cif cii cil cio ciu cl- clb clc cld clf cli cll clo clu co- cob coc cod cof coi col coo cou cub cuc cud cuf cui cul cuo cuu dbb dbc dbd dbf dbi dbl dbo dbu dcb dcc dcd dcf dci dcl dco dcu ddb ddc ddd ddf ddi ddl ddo ddu dfb dfc dfd dff dfi dfl dfo dfu di- dib dic did dif dii dil dio diu dl- dlb dlc dld dlf dli dll dlo dlu dob doc dod dof doi dol doo dou dub duc dud duf dui dul duo fbb fbc fbd fbf fbi fbl fbo fbu fcb fcc fcd fcf fci fcl fco fcu fdb fdc fdd fdf fdi fdl fdo fdu ffc ffd fff ffi ffl ffo ffu fib fic fid fif fii fil fiu flb flc fld flf fli fll flo flu fob foc fof foi fol foo fou fub fud fuf fui ful fuo fuu i-d i-f ibb ibc ibd ibf ibi ibl ibo ibu icb icc icd icf ici icl ico icu idb idc idd idf idi idl ido idu ifb ifc ifd iff ifi ifl ifo ifu iib iic iid iif iii iil iio iiu il- ilb ilc ild ilf ili ill ilo ilu io- iob ioc iod iof ioi iol ioo iou iu- iub iuc iud iui lbb lbc lbd lbf lbi lbl lbo lbu lcb lcc lcd lcf lci lcl lco lcu ldb ldc ldd ldf ldi ldl ldo ldu lfb lfc lfd lff lfi lfl lfo lfu lib lic lid lif lii lil lio liu llb llc lld llf lli lll llo llu lob loc lod lof loi lol loo lou lub luc lud luf lui lul luo luu o-i ob- obb obc obd obf obi obl obo obu oc- ocb occ ocd ocf oci ocl oco ocu odb odc odd odf odi odl odo odu of- ofb ofc ofd off ofi ofl ofo ofu oib oic oid oif oii oil oio oiu olb olc old olf oli oll olo olu oo- oob ooc ood oof ooi ool ooo ou- ouc oud ouf oui oul ouo ubb ubc ubf ubi ubl ubo ubu ucb ucc ucd ucf uci ucl uco ucu udb udc udd udf udi udl udo udu ufc ufd uff ufi ufl ufo ufu uib uic uid uif uii uil uio uiu ulb ulc uld ulf uli ull ulo ulu uob uoc uod uol uoo uuc uuu