-ic b-u bbb bbc bbd bbe bbf bbg bbi bbt bbu bcb bcc bcd bce bcf bcg bci bct bcu bdb bdc bdd bde bdf bdg bdi bdt bdu be- beb bec bed bee bef beg bei bet beu bfb bfc bfd bfe bff bfg bfi bft bfu bgb bgc bgd bge bgf bgg bgi bgt bgu bi- bib bic bid bie bif big bii bit biu btb btc btd bte btf btg bti btt btu bub buc bud bue buf bug bui but buu c-- cbb cbc cbd cbe cbf cbg cbi cbt cbu ccb ccc ccd cce ccf ccg cci cct ccu cdb cdc cdd cde cdf cdg cdi cdt cdu ce- ceb cec ced cee cef ceg cei cet ceu cfb cfc cfd cfe cff cfg cfi cft cfu cgb cgc cgd cge cgg cgi cgt cgu ci- cib cic cid cie cif cig cii cit ciu ctb ctc ctd cte ctf ctg cti ctt ctu cub cuc cud cue cuf cug cui cut cuu dbb dbc dbd dbe dbf dbg dbi dbt dbu dcb dcc dcd dce dcf dcg dci dct dcu ddb ddc ddd dde ddf ddg ddi ddt ddu de- deb dec ded dee def deg dei det deu dfb dfc dfd dfe dff dfg dfi dft dfu dgc dgd dge dgf dgg dgi dgt dgu di- dib dic did die dif dig dii dit diu dtb dtc dtd dte dtf dtg dti dtt dtu dub duc dud due duf dug dui dut ebb ebc ebd ebe ebf ebg ebi ebt ebu ec- ecb ecc ecd ece ecf ecg eci ect ecu ed- edb edc edd ede edf edg edi edt edu eeb eec eed eee eef eeg eet ef- efb efc efd efe eff efg efi eft egb egc egd ege egf egg egi egt egu eib eic eid eie eif eig eii eit eiu etb etc etd ete etf etg eti ett etu eu- eub euc eud eue euf eug eui eut fbb fbc fbd fbe fbf fbg fbi fbt fbu fcb fcc fcd fce fcf fcg fci fct fcu fdb fdc fdd fde fdf fdg fdi fdt fdu feb fec fed fee fef feg fei fet feu ffc ffd ffe fff ffg ffi fft ffu fgb fgc fgd fge fgf fgg fgi fgt fib fic fid fie fif fig fii fit fiu ftb ftc ftd fte ftf ftg fti ftt ftu fub fud fue fuf fug fui fut fuu g-d gbc gbd gbe gbf gbg gbi gbt gbu gcb gcc gcd gce gcf gcg gci gct gcu gdb gdc gdd gde gdf gdi gdt gdu ge- geb gec ged gee gef geg gei get geu gfb gfc gfd gfe gff gfi gft ggb ggc ggd ggg ggi ggt ggu gib gic gid gie gif gig gii git giu gtb gtc gtd gte gtf gtg gti gtt gtu gu- gub guc gud gue guf gug gui gut guu i-d i-f ibb ibc ibd ibe ibf ibg ibi ibt ibu icb icc icd ice icf icg ici ict icu idb idc idd ide idf idg idi idt idu ie- iec ied iee ief ieg iei iet ifb ifc ifd ife iff ifg ifi ift ifu igb igc igd ige igf igg igi igt igu iib iic iid iie iif iii iit iiu itb itc itd ite itf itg iti itt itu iu- iub iuc iud iue iug iui iut tbb tbc tbd tbe tbf tbg tbi tbt tbu tcb tcc tcd tce tcf tcg tci tct tcu tdb tdc tdd tde tdf tdg tdi tdt tdu te- teb tec ted tee tef teg tei tet teu tfb tfc tfd tfe tff tfg tfi tft tfu tgb tgc tge tgf tgg tgi tgt tgu tib tic tid tie tif tig tii tit tiu ttb ttc ttd tte ttf ttg tti ttt ttu tub tuc tud tue tuf tug tui tut tuu ubb ubc ube ubf ubg ubi ubt ubu ucb ucc ucd uce ucf ucg uci uct ucu udb udc udd ude udf udg udi udt udu ueb uec ued uee uef ueg uei uet ufc ufd ufe uff ufg ufi uft ufu ugb ugc uge ugf ugg ugi ugt ugu uib uic uid uie uif uig uii uit uiu utb utc utd ute utf uti utt utu uuc uue uug uut uuu