-ic b-u bbb bbc bbe bbi bbm bbo bbt bbu bcb bcc bce bci bcm bco bct bcu be- beb bec bee bei bem beo bet beu bi- bib bic bie bii bim bio bit biu bmb bmc bme bmi bmm bmo bmt bmu bob boc boe boi bom boo bot bou btb btc bte bti btm bto btt btu bub buc bue bui bum buo but buu c-- cbb cbc cbe cbi cbm cbo cbt cbu ccb ccc cce cci ccm cco cct ccu ce- ceb cec cee cei cem ceo cet ceu ci- cib cic cie cii cim cio cit ciu cmb cmc cme cmi cmm cmo cmt cmu co- cob coc coe coi com coo cot cou ctb ctc cte cti ctm cto ctt ctu cub cuc cue cui cum cuo cut cuu ebb ebc ebe ebi ebm ebo ebt ebu ec- ecb ecc ece eci ecm eco ect ecu eeb eec eee eem eeo eet eib eic eie eii eim eio eit eiu em- emb emc eme emi emm emo emt emu eo- eob eoc eoe eoi eom eoo eot eou etb etc ete eti etm eto ett etu eu- eub euc eue eui eut ibb ibc ibe ibi ibm ibo ibt ibu icb icc ice ici icm ico ict icu ie- iec iee iei iem iet iib iic iie iii iim iio iit iiu im- imb imc ime imi imm imo imt imu io- iob ioc ioe ioi iom ioo iot iou itb itc ite iti itm ito itt itu iu- iub iuc iue iui ium iut m-o mbb mbc mbe mbi mbm mbo mbt mbu mc- mcb mcc mce mci mcm mco mct mcu meb mec mee mei mem meo met meu mi- mib mic mie mii mim mio mit miu mmb mmc mme mmi mmm mmo mmt mmu mob moc moe moi mom moo mot mou mtb mtc mte mti mtm mto mtt mtu mub muc mue mui mum mut muu o-i ob- obb obc obe obi obm obo obt obu oc- ocb occ oci ocm oco oct ocu oeb oec oee oei oem oeo oet oib oic oie oii oim oio oit oiu om- omb omc ome omi omm omo omt omu oo- oob ooc ooi oom ooo oot ot- otb otc ote oti otm oto ott otu ou- ouc oue oui oum ouo out tbb tbc tbe tbi tbm tbo tbt tbu tcb tcc tce tci tcm tco tct tcu te- teb tec tee tei tem teo tet teu tib tic tie tii tim tio tit tiu tmb tmc tme tmi tmm tmo tmt tmu to- tob toc toe toi tom too tot tou ttb ttc tte tti ttm tto ttt ttu tub tuc tue tui tum tuo tut tuu ubb ubc ube ubi ubo ubt ubu ucb ucc uce uci ucm uco uct ucu ueb uec uee uei uem uet uib uic uie uii uim uio uit uiu um- umb umc ume umi umm umo umt umu uob uoc uoe uom uoo uot utb utc ute uti utm uto utt utu uuc uue uum uut uuu