-ic -ol b-u bbb bbc bbd bbe bbi bbk bbl bbo bbu bcb bcc bcd bce bci bck bcl bco bcu bdb bdc bdd bde bdi bdk bdl bdo bdu be- beb bec bed bee bei bek bel beo beu bi- bib bic bid bie bii bik bil bio biu bkb bkc bke bkk bkl bko blb blc bld ble bli blk bll blo blu bob boc bod boe boi bok bol boo bou bub buc bud bue bui buk bul buo buu c-- cbb cbc cbd cbe cbi cbk cbl cbo cbu ccb ccc ccd cce cci cck ccl cco ccu cdb cdc cdd cde cdi cdk cdl cdo cdu ce- ceb cec ced cee cei cek cel ceo ceu ci- cib cic cid cie cii cik cil cio ciu ckb ckc ckd cki cko cl- clb clc cld cle cli clk cll clo clu co- cob coc cod coe coi cok col coo cou cub cuc cud cue cui cuk cul cuo cuu dbb dbc dbd dbe dbi dbk dbl dbo dbu dcb dcc dcd dce dci dck dcl dco dcu ddb ddc ddd dde ddi ddk ddl ddo ddu de- deb dec ded dee dei dek del deo deu di- dib dic did die dii dik dil dio diu dkb dkc dke dki dkk dkl dko dku dl- dlb dlc dld dle dli dlk dll dlo dlu dob doc dod doe doi dok dol doo dou dub duc dud due dui duk dul duo ebb ebc ebd ebe ebi ebk ebl ebo ebu ec- ecb ecc ecd ece eci eck ecl eco ecu ed- edb edc edd ede edi edk edl edo edu eeb eec eed eee eek eel eeo eib eic eid eie eii eik eil eio eiu ekb ekc ekd eke eki ekl eko eku elb elc eld ele eli elk ell elo elu eo- eob eoc eod eoe eoi eok eol eoo eou eu- eub euc eud eue eui eul i-d ibb ibc ibd ibe ibi ibk ibl ibo ibu icb icc icd ice ici ick icl ico icu idb idc idd ide idi idk idl ido idu ie- iec ied iee iei iek iel iib iic iid iie iii iil iio iiu ikb ikc ike iki ikk ikl iko iku il- ilb ilc ild ile ili ilk ill ilo ilu io- iob ioc iod ioe ioi iol ioo iou iu- iub iuc iud iue iui kbb kbc kbd kbe kbi kbk kbl kbo kbu kcb kcc kcd kce kci kck kcl kcu kdb kdc kde kdk kdl kdo kdu ke- keb kec ked kee kei kek kel keo kib kic kid kie kii kik kil kio kiu kkb kkc kke kki kkk kkl kku kl- klb klc kld kli klo klu kob koc kod koe koi kok kol koo kou kub kuc kud kue kui kuk kul kuu lbb lbc lbd lbe lbi lbk lbl lbo lbu lcb lcc lcd lce lci lck lcl lco lcu ldb ldc ldd lde ldi ldk ldl ldo ldu leb lec led lee lei lek lel leo leu lib lic lid lie lii lik lil lio liu lkb lkl llb llc lld lle lli llk lll llo llu lob loc lod loe loi lok lol loo lou lub luc lud lue lui luk lul luo luu o-i ob- obb obc obd obe obi obk obl obo obu oc- ocb occ ocd oci ock ocl oco ocu odb odc odd ode odi odl odo odu oeb oec oed oee oei oel oeo oib oic oid oie oii oik oil oio oiu okb okc okd oke oki okk okl oko oku olb olc old ole oli olk oll olo olu oo- oob ooc ood ooi ook ool ooo ou- ouc oud oue oui ouk oul ouo ubb ubc ube ubi ubk ubl ubo ubu ucb ucc ucd uce uci uck ucl uco ucu udb udc udd ude udi udk udl udo udu ueb uec ued uee uei uel uib uic uid uie uii uil uio uiu ukb ukc uke uki ukk ukl uku ulb ulc uld ule uli ulk ull ulo ulu uob uoc uod uoe uok uol uoo uuc uue uuu