-ic b-u bbb bbc bbd bbe bbf bbi bbl bbt bbu bcb bcc bcd bce bcf bci bcl bct bcu bcv bdb bdc bdd bde bdf bdi bdl bdt bdu bdv be- beb bec bed bee bef bei bel bet beu bev bfb bfc bfd bfe bff bfi bfl bft bfu bfv bi- bib bic bid bie bif bii bil bit biu biv blb blc bld ble blf bli bll blt blu blv btb btc btd bte btf bti btl btt btu btv bub buc bud bue buf bui bul but buu bvb bvc bvd bve bvi bvl bvt bvu bvv c-- cbb cbc cbd cbe cbf cbi cbl cbt cbu cbv ccb ccc ccd cce ccf cci ccl cct ccu ccv cdb cdc cdd cde cdf cdi cdl cdt cdu cdv ce- ceb cec ced cee cef cei cel cet ceu cev cfb cfc cfd cfe cff cfi cfl cft cfu cfv ci- cib cic cid cie cif cii cil cit ciu civ cl- clb clc cld cle clf cli cll clt clu clv ctb ctc ctd cte ctf cti ctl ctt ctu ctv cub cuc cud cue cuf cui cul cut cuu cuv cvb cvc cvd cve cvf cvi cvl cvt cvu cvv dbb dbc dbd dbe dbf dbi dbl dbt dbu dbv dcb dcc dcd dce dcf dci dcl dct dcu dcv ddb ddc ddd dde ddf ddi ddl ddt ddu de- deb dec ded dee def dei del det deu dev dfb dfc dfd dfe dff dfi dfl dft dfu dfv di- dib dic did die dif dii dil dit diu div dl- dlb dlc dld dle dlf dli dll dlt dlu dlv dtb dtc dtd dte dtf dti dtl dtt dtu dtv dub duc dud due duf dui dul dut duv dvb dvc dvd dve dvi dvl dvt dvu ebb ebc ebd ebe ebf ebi ebl ebt ebu ebv ec- ecb ecc ecd ece ecf eci ecl ect ecu ecv ed- edb edc edd ede edf edi edl edt edu eeb eec eed eee eef eel eet eev ef- efb efc efd efe eff efi efl eft eib eic eid eie eif eii eil eit eiu eiv elb elc eld ele elf eli ell elt elu elv etb etc etd ete etf eti etl ett etu etv eu- eub euc eud eue euf eui eul eut euv evb evc evd eve evf evi evl evt evv fbb fbc fbd fbe fbf fbi fbl fbt fbu fcb fcc fcd fce fcf fci fcl fct fcu fcv fdb fdc fdd fde fdf fdi fdl fdt fdu feb fec fed fee fef fei fel fet feu fev ffc ffd ffe fff ffi ffl fft ffu ffv fib fic fid fie fif fii fil fit fiu flb flc fld fle flf fli fll flt flu ftb ftc ftd fte ftf fti ftl ftt ftu ftv fub fud fue fuf fui ful fut fuu fuv fvc fvd fvt i-d i-f i-v ibb ibc ibd ibe ibf ibi ibl ibt ibu ibv icb icc icd ice icf ici icl ict icu icv idb idc idd ide idf idi idl idt idu idv ie- iec ied iee ief iei iel iet iev ifb ifc ifd ife iff ifi ifl ift ifu iib iic iid iie iif iii iil iit iiu il- ilb ilc ild ile ilf ili ill ilt ilu ilv itb itc itd ite itf iti itl itt itu itv iu- iub iuc iud iue iui iut ivb ivc ivd ive ivf ivi ivl ivt ivu ivv lbb lbc lbd lbe lbf lbi lbl lbt lbu lbv lcb lcc lcd lce lcf lci lcl lct lcu lcv ldb ldc ldd lde ldf ldi ldl ldt ldu ldv leb lec led lee lef lei lel let leu lev lfb lfc lfd lfe lff lfi lfl lft lfu lib lic lid lie lif lii lil lit liu liv llb llc lld lle llf lli lll llt llu llv ltb ltc ltd lte ltf lti ltl ltt ltu ltv lub luc lud lue luf lui lul lut luu luv lvb lvc lvd lve lvf lvi lvl lvt lvv tbb tbc tbd tbe tbf tbi tbl tbt tbu tbv tcb tcc tcd tce tcf tci tcl tct tcu tcv tdb tdc tdd tde tdf tdi tdl tdt tdu tdv te- teb tec ted tee tef tei tel tet teu tev tfb tfc tfd tfe tff tfi tfl tft tfu tib tic tid tie tif tii til tit tiu tiv tlc tld tle tlf tli tll tlt tlu tlv ttb ttc ttd tte ttf tti ttl ttt ttu ttv tub tuc tud tue tuf tui tul tut tuu tuv tvb tvc tvd tve tvf tvi tvl tvt tvu ubb ubc ube ubf ubi ubl ubt ubu ubv ucb ucc ucd uce ucf uci ucl uct ucu ucv udb udc udd ude udf udi udl udt udu udv ueb uec ued uee uef uei uel uet ufc ufd ufe uff ufi ufl uft ufu ufv uib uic uid uie uif uii uil uit uiu ulb ulc uld ule ulf uli ull ult ulu ulv utb utc utd ute utf uti utl utt utu utv uuc uue uut uuu uvb uvc uve uvf uvl uvu uvv v-e vbc vbd vbi vbl vbv vcc vcd vce vcf vci vcl vct vcu vdb vdc vdd vde vdf vdi vdl vdt vdu vdv veb vec ved vee vef vei vel vet veu vfb vfc vfd vff vfi vfl vft vfu vfv vi- vib vic vid vie vif vii vil vit viu viv vl- vlb vlc vld vle vlf vll vlt vlv vtb vtc vte vti vtl vtt vtu vtv vue vul vut vuv vvb vvc vvi vvt vvv