-ic -ol b-u bbb bbc bbe bbi bbk bbl bbo bbu bcb bcc bce bci bck bcl bco bcu be- beb bec bee bei bek bel beo beu bi- bib bic bie bii bik bil bio biu bkb bkc bke bkk bkl bko blb blc ble bli blk bll blo blu bob boc boe boi bok bol boo bou bub buc bue bui buk bul buo buu c-- cbb cbc cbe cbi cbk cbl cbo cbu ccb ccc cce cci cck ccl cco ccu ce- ceb cec cee cei cek cel ceo ceu ci- cib cic cie cii cik cil cio ciu ckb ckc cki cko cl- clb clc cle cli clk cll clo clu co- cob coc coe coi cok col coo cou cub cuc cue cui cuk cul cuo cuu ebb ebc ebe ebi ebk ebl ebo ebu ec- ecb ecc ece eci eck ecl eco ecu eeb eec eee eek eel eeo eib eic eie eii eik eil eio eiu ekb ekc eke eki ekl eko eku elb elc ele eli elk ell elo elu eo- eob eoc eoe eoi eok eol eoo eou eu- eub euc eue eui eul ibb ibc ibe ibi ibk ibl ibo ibu icb icc ice ici ick icl ico icu ie- iec iee iei iek iel iib iic iie iii iil iio iiu ikb ikc ike iki ikk ikl iko iku il- ilb ilc ile ili ilk ill ilo ilu io- iob ioc ioe ioi iol ioo iou iu- iub iuc iue iui kbb kbc kbe kbi kbk kbl kbo kbu kcb kcc kce kci kck kcl kcu ke- keb kec kee kei kek kel keo kib kic kie kii kik kil kio kiu kkb kkc kke kki kkk kkl kku kl- klb klc kli klo klu kob koc koe koi kok kol koo kou kub kuc kue kui kuk kul kuu lbb lbc lbe lbi lbk lbl lbo lbu lcb lcc lce lci lck lcl lco lcu leb lec lee lei lek lel leo leu lib lic lie lii lik lil lio liu lkb lkl llb llc lle lli llk lll llo llu lob loc loe loi lok lol loo lou lub luc lue lui luk lul luo luu o-i ob- obb obc obe obi obk obl obo obu oc- ocb occ oci ock ocl oco ocu oeb oec oee oei oel oeo oib oic oie oii oik oil oio oiu okb okc oke oki okk okl oko oku olb olc ole oli olk oll olo olu oo- oob ooc ooi ook ool ooo ou- ouc oue oui ouk oul ouo ubb ubc ube ubi ubk ubl ubo ubu ucb ucc uce uci uck ucl uco ucu ueb uec uee uei uel uib uic uie uii uil uio uiu ukb ukc uke uki ukk ukl uku ulb ulc ule uli ulk ull ulo ulu uob uoc uoe uok uol uoo uuc uue uuu