-ic -ol b-u bbb bbc bbe bbf bbi bbk bbl bbo bbt bbu bcb bcc bce bcf bci bck bcl bco bct bcu be- beb bec bee bef bei bek bel beo bet beu bfb bfc bfe bff bfi bfl bfo bft bfu bi- bib bic bie bif bii bik bil bio bit biu bkb bkc bke bkf bkk bkl bko bkt blb blc ble blf bli blk bll blo blt blu bob boc boe bof boi bok bol boo bot bou btb btc bte btf bti btk btl bto btt btu bub buc bue buf bui buk bul buo but buu c-- cbb cbc cbe cbf cbi cbk cbl cbo cbt cbu ccb ccc cce ccf cci cck ccl cco cct ccu ce- ceb cec cee cef cei cek cel ceo cet ceu cfb cfc cfe cff cfi cfk cfl cfo cft cfu ci- cib cic cie cif cii cik cil cio cit ciu ckb ckc cki cko ckt cl- clb clc cle clf cli clk cll clo clt clu co- cob coc coe cof coi cok col coo cot cou ctb ctc cte ctf cti ctk ctl cto ctt ctu cub cuc cue cuf cui cuk cul cuo cut cuu ebb ebc ebe ebf ebi ebk ebl ebo ebt ebu ec- ecb ecc ece ecf eci eck ecl eco ect ecu eeb eec eee eef eek eel eeo eet ef- efb efc efe eff efi efl efo eft eib eic eie eif eii eik eil eio eit eiu ekb ekc eke ekf eki ekl eko ekt eku elb elc ele elf eli elk ell elo elt elu eo- eob eoc eoe eof eoi eok eol eoo eot eou etb etc ete etf eti etk etl eto ett etu eu- eub euc eue euf eui eul eut fbb fbc fbe fbf fbi fbk fbl fbo fbt fbu fcb fcc fce fcf fci fck fcl fco fct fcu feb fec fee fef fei fek fel feo fet feu ffc ffe fff ffi ffk ffl ffo fft ffu fib fic fie fif fii fik fil fit fiu fkb fkc fkf fki fkk fkl fkt flb flc fle flf fli fll flo flt flu fob foc foe fof foi fok fol foo fot fou ftb ftc fte ftf fti ftk ftl fto ftt ftu fub fue fuf fui fuk ful fuo fut fuu i-f ibb ibc ibe ibf ibi ibk ibl ibo ibt ibu icb icc ice icf ici ick icl ico ict icu ie- iec iee ief iei iek iel iet ifb ifc ife iff ifi ifl ifo ift ifu iib iic iie iif iii iil iio iit iiu ikb ikc ike ikf iki ikk ikl iko ikt iku il- ilb ilc ile ilf ili ilk ill ilo ilt ilu io- iob ioc ioe iof ioi iol ioo iot iou itb itc ite itf iti itk itl ito itt itu iu- iub iuc iue iui iut k-t kbb kbc kbe kbf kbi kbk kbl kbo kbu kcb kcc kce kci kck kcl kct kcu ke- keb kec kee kef kei kek kel keo ket kfc kff kfi kfo kfu kib kic kie kif kii kik kil kio kit kiu kkb kkc kke kki kkk kkl kkt kku kl- klb klc klf kli klo klt klu kob koc koe kof koi kok kol koo kot kou ktb ktc kte ktf ktk ktl kto ktt ktu kub kuc kue kui kuk kul kut kuu lbb lbc lbe lbf lbi lbk lbl lbo lbt lbu lcb lcc lce lcf lci lck lcl lco lct lcu leb lec lee lef lei lek lel leo let leu lfb lfc lfe lff lfi lfk lfl lfo lft lfu lib lic lie lif lii lik lil lio lit liu lkb lkl lkt llb llc lle llf lli llk lll llo llt llu lob loc loe lof loi lok lol loo lot lou ltb ltc lte ltf lti ltk ltl lto ltt ltu lub luc lue luf lui luk lul luo lut luu o-i ob- obb obc obe obf obi obk obl obo obt obu oc- ocb occ ocf oci ock ocl oco oct ocu oeb oec oee oef oei oel oeo oet of- ofb ofc ofe off ofi ofl ofo oft ofu oib oic oie oif oii oik oil oio oit oiu okb okc oke oki okk okl oko oku olb olc ole olf oli olk oll olo olt olu oo- oob ooc oof ooi ook ool ooo oot ot- otb otc ote otf oti otk otl oto ott otu ou- ouc oue ouf oui ouk oul ouo out tbb tbc tbe tbf tbi tbk tbl tbo tbt tbu tcb tcc tce tcf tci tck tcl tco tct tcu te- teb tec tee tef tei tek tel teo tet teu tfb tfc tfe tff tfi tfk tfl tfo tft tfu tib tic tie tif tii tik til tio tit tiu tkb tkc tke tkk tkl tko tkt tlc tle tlf tli tlk tll tlo tlt tlu to- tob toc toe tof toi tok tol too tot tou ttb ttc tte ttf tti ttk ttl tto ttt ttu tub tuc tue tuf tui tuk tul tuo tut tuu ubb ubc ube ubf ubi ubk ubl ubo ubt ubu ucb ucc uce ucf uci uck ucl uco uct ucu ueb uec uee uef uei uel uet ufc ufe uff ufi ufl ufo uft ufu uib uic uie uif uii uil uio uit uiu ukb ukc uke ukf uki ukk ukl uku ulb ulc ule ulf uli ulk ull ulo ult ulu uob uoc uoe uok uol uoo uot utb utc ute utf uti utk utl uto utt utu uuc uue uut uuu

bbbb bbci bbeb bbet bbfc bblb bcbc bccc bcci bccl bcec bcet bcfc bcie bcit bcof bctc bcuc bebb bebe bebi bebo beci beck becu beeb beef beek beel beet befe beff befo beft beic beik beil beit beke beki beko bele beli belk bell belo belt belu beo- beof beok beot betc bete beti beto bett betu