-ic b-u bbb bbc bbd bbe bbi bbm bbo bbs bbt bbu bcb bcc bcd bce bci bcm bco bcs bct bcu bdb bdc bdd bde bdi bdm bdo bds bdt bdu be- beb bec bed bee bei bem beo bes bet beu bi- bib bic bid bie bii bim bio bis bit biu bmb bmc bmd bme bmi bmm bmo bms bmt bmu bob boc bod boe boi bom boo bos bot bou bsb bsc bsd bse bsi bsm bso bss bst bsu btb btc btd bte bti btm bto bts btt btu bub buc bud bue bui bum buo bus but buu c-- cbb cbc cbd cbe cbi cbm cbo cbs cbt cbu ccb ccc ccd cce cci ccm cco ccs cct ccu cdb cdc cdd cde cdi cdm cdo cds cdt cdu ce- ceb cec ced cee cei cem ceo ces cet ceu ci- cib cic cid cie cii cim cio cis cit ciu cmb cmc cmd cme cmi cmm cmo cms cmt cmu co- cob coc cod coe coi com coo cos cot cou csb csc csd cse csi csm cso css cst csu ctb ctc ctd cte cti ctm cto cts ctt ctu cub cuc cud cue cui cum cuo cus cut cuu dbb dbc dbd dbe dbi dbm dbo dbs dbt dbu dcb dcc dcd dce dci dcm dco dcs dct dcu ddb ddc ddd dde ddi ddm ddo dds ddt ddu de- deb dec ded dee dei dem deo des det deu di- dib dic did die dii dim dio dis dit diu dmb dmc dmd dme dmi dmm dmo dms dmt dmu dob doc dod doe doi dom doo dos dot dou dsb dsc dsd dse dsi dsm dso dss dst dsu dtb dtc dtd dte dti dtm dto dts dtt dtu dub duc dud due dui dum duo dus dut ebb ebc ebd ebe ebi ebm ebo ebs ebt ebu ec- ecb ecc ecd ece eci ecm eco ecs ect ecu ed- edb edc edd ede edi edm edo eds edt edu eeb eec eed eee eem eeo ees eet eib eic eid eie eii eim eio eis eit eiu em- emb emc emd eme emi emm emo ems emt emu eo- eob eoc eod eoe eoi eom eoo eos eot eou es- esb esc esd ese esi esm eso ess est esu etb etc etd ete eti etm eto ets ett etu eu- eub euc eud eue eui eus eut i-d ibb ibc ibd ibe ibi ibm ibo ibs ibt ibu icb icc icd ice ici icm ico ics ict icu idb idc idd ide idi idm ido ids idt idu ie- iec ied iee iei iem ies iet iib iic iid iie iii iim iio iis iit iiu im- imb imc imd ime imi imm imo ims imt imu io- iob ioc iod ioe ioi iom ioo ios iot iou is- isb isc isd ise isi ism iso iss ist isu itb itc itd ite iti itm ito its itt itu iu- iub iuc iud iue iui ium ius iut m-o mbb mbc mbd mbe mbi mbm mbo mbs mbt mbu mc- mcb mcc mcd mce mci mcm mco mcs mct mcu mdb mdc mdd mde mdi mdm mdo mds mdt mdu meb mec med mee mei mem meo mes met meu mi- mib mic mid mie mii mim mio mis mit miu mmb mmc mmd mme mmi mmm mmo mms mmt mmu mob moc mod moe moi mom moo mos mot mou msb msc msd mse msi msm mso mss mst msu mtb mtc mtd mte mti mtm mto mts mtt mtu mub muc mud mue mui mum mus mut muu o-i ob- obb obc obd obe obi obm obo obs obt obu oc- ocb occ ocd oci ocm oco ocs oct ocu odb odc odd ode odi odm odo ods odt odu oeb oec oed oee oei oem oeo oes oet oib oic oid oie oii oim oio ois oit oiu om- omb omc omd ome omi omm omo oms omt omu oo- oob ooc ood ooi oom ooo oos oot os- osb osc osd ose osi osm oso oss ost osu ot- otb otc otd ote oti otm oto ots ott otu ou- ouc oud oue oui oum ouo ous out sbb sbc sbd sbe sbi sbm sbo sbs sbt sbu scb scc scd sce sci scm sco scs sct scu sdb sdc sdd sde sdi sdm sdo sds sdt sdu se- seb sec sed see sei sem seo ses set seu sib sic sid sie sii sim sio sis sit siu smb smc smd sme smi smm smo sms smt smu sob soc sod soe soi som soo sos sot sou ss- ssb ssc ssd sse ssi ssm sso sss sst ssu stb stc std ste sti stm sto sts stt stu sub suc sud sue sui sum suo sus sut suu tbb tbc tbd tbe tbi tbm tbo tbs tbt tbu tcb tcc tcd tce tci tcm tco tcs tct tcu tdb tdc tdd tde tdi tdm tdo tds tdt tdu te- teb tec ted tee tei tem teo tes tet teu tib tic tid tie tii tim tio tis tit tiu tmb tmc tmd tme tmi tmm tmo tms tmt tmu to- tob toc tod toe toi tom too tos tot tou tsb tsc tsd tse tsi tsm tso tss tst tsu ttb ttc ttd tte tti ttm tto tts ttt ttu tub tuc tud tue tui tum tuo tus tut tuu ubb ubc ube ubi ubo ubs ubt ubu ucb ucc ucd uce uci ucm uco ucs uct ucu udb udc udd ude udi udm udo uds udt udu ueb uec ued uee uei uem ues uet uib uic uid uie uii uim uio uis uit uiu um- umb umc umd ume umi umm umo ums umt umu uob uoc uod uoe uom uoo uos uot usb usc usd use usi usm uso uss ust usu utb utc utd ute uti utm