-ic -ol b-u bbb bbc bbe bbi bbk bbl bbo bbt bbu bcb bcc bce bci bck bcl bco bct bcu be- beb bec bee bei bek bel beo bet beu bi- bib bic bie bii bik bil bio bit biu bkb bkc bke bkk bkl bko bkt blb blc ble bli blk bll blo blt blu bob boc boe boi bok bol boo bot bou btb btc bte bti btk btl bto btt btu bub buc bue bui buk bul buo but buu c-- cbb cbc cbe cbi cbk cbl cbo cbt cbu ccb ccc cce cci cck ccl cco cct ccu ce- ceb cec cee cei cek cel ceo cet ceu ci- cib cic cie cii cik cil cio cit ciu ckb ckc cki cko ckt cl- clb clc cle cli clk cll clo clt clu co- cob coc coe coi cok col coo cot cou ctb ctc cte cti ctk ctl cto ctt ctu cub cuc cue cui cuk cul cuo cut cuu ebb ebc ebe ebi ebk ebl ebo ebt ebu ec- ecb ecc ece eci eck ecl eco ect ecu eeb eec eee eek eel eeo eet eib eic eie eii eik eil eio eit eiu ekb ekc eke eki ekl eko ekt eku elb elc ele eli elk ell elo elt elu eo- eob eoc eoe eoi eok eol eoo eot eou etb etc ete eti etk etl eto ett etu eu- eub euc eue eui eul eut ibb ibc ibe ibi ibk ibl ibo ibt ibu icb icc ice ici ick icl ico ict icu ie- iec iee iei iek iel iet iib iic iie iii iil iio iit iiu ikb ikc ike iki ikk ikl iko ikt iku il- ilb ilc ile ili ilk ill ilo ilt ilu io- iob ioc ioe ioi iol ioo iot iou itb itc ite iti itk itl ito itt itu iu- iub iuc iue iui iut k-t kbb kbc kbe kbi kbk kbl kbo kbu kcb kcc kce kci kck kcl kct kcu ke- keb kec kee kei kek kel keo ket kib kic kie kii kik kil kio kit kiu kkb kkc kke kki kkk kkl kkt kku kl- klb klc kli klo klt klu kob koc koe koi kok kol koo kot kou ktb ktc kte ktk ktl kto ktt ktu kub kuc kue kui kuk kul kut kuu lbb lbc lbe lbi lbk lbl lbo lbt lbu lcb lcc lce lci lck lcl lco lct lcu leb lec lee lei lek lel leo let leu lib lic lie lii lik lil lio lit liu lkb lkl lkt llb llc lle lli llk lll llo llt llu lob loc loe loi lok lol loo lot lou ltb ltc lte lti ltk ltl lto ltt ltu lub luc lue lui luk lul luo lut luu o-i ob- obb obc obe obi obk obl obo obt obu oc- ocb occ oci ock ocl oco oct ocu oeb oec oee oei oel oeo oet oib oic oie oii oik oil oio oit oiu okb okc oke oki okk okl oko oku olb olc ole oli olk oll olo olt olu oo- oob ooc ooi ook ool ooo oot ot- otb otc ote oti otk otl oto ott otu ou- ouc oue oui ouk oul ouo out tbb tbc tbe tbi tbk tbl tbo tbt tbu tcb tcc tce tci tck tcl tco tct tcu te- teb tec tee tei tek tel teo tet teu tib tic tie tii tik til tio tit tiu tkb tkc tke tkk tkl tko tkt tlc tle tli tlk tll tlo tlt tlu to- tob toc toe toi tok tol too tot tou ttb ttc tte tti ttk ttl tto ttt ttu tub tuc tue tui tuk tul tuo tut tuu ubb ubc ube ubi ubk ubl ubo ubt ubu ucb ucc uce uci uck ucl uco uct ucu ueb uec uee uei uel uet uib uic uie uii uil uio uit uiu ukb ukc uke uki ukk ukl uku ulb ulc ule uli ulk ull ulo ult ulu uob uoc uoe uok uol uoo uot utb utc ute uti utk utl uto utt utu uuc uue uut uuu