-ic b-u bbb bbc bbd bbe bbi bbm bbn bbt bbu bcb bcc bcd bce bci bcm bcn bct bcu bdb bdc bdd bde bdi bdm bdt bdu be- beb bec bed bee bei bem ben bet beu bi- bib bic bid bie bii bim bin bit biu bmb bmc bmd bme bmi bmm bmn bmt bmu bnb bnc bnd bne bni bnn bnt bnu btb btc btd bte bti btm btn btt btu bub buc bud bue bui bum bun but buu c-- cbb cbc cbd cbe cbi cbm cbn cbt cbu ccb ccc ccd cce cci ccm ccn cct ccu cdb cdc cdd cde cdi cdm cdn cdt cdu ce- ceb cec ced cee cei cem cen cet ceu ci- cib cic cid cie cii cim cin cit ciu cmb cmc cmd cme cmi cmm cmn cmt cmu cn- cnb cnc cnd cne cni cnm cnn cnt cnu ctb ctc ctd cte cti ctm ctn ctt ctu cub cuc cud cue cui cum cun cut cuu dbb dbc dbd dbe dbi dbm dbn dbt dbu dcb dcc dcd dce dci dcm dcn dct dcu ddb ddc ddd dde ddi ddm ddn ddt ddu de- deb dec ded dee dei dem den det deu di- dib dic did die dii dim din dit diu dmb dmc dmd dme dmi dmm dmn dmt dmu dnb dnc dnd dne dni dnm dnn dnt dtb dtc dtd dte dti dtm dtn dtt dtu dub duc dud due dui dum dun dut ebb ebc ebd ebe ebi ebm ebn ebt ebu ec- ecb ecc ecd ece eci ecm ecn ect ecu ed- edb edc edd ede edi edm edn edt edu eeb eec eed eee eem een eet eib eic eid eie eii eim ein eit eiu em- emb emc emd eme emi emm emn emt emu en- enb enc end ene eni enm enn ent enu etb etc etd ete eti etm etn ett etu eu- eub euc eud eue eui eun eut i-d ibb ibc ibd ibe ibi ibm ibn ibt ibu icb icc icd ice ici icm icn ict icu idb idc idd ide idi idm idn idt idu ie- iec ied iee iei iem ien iet iib iic iid iie iii iim iin iit iiu im- imb imc imd ime imi imm imn imt imu in- inb inc ind ine ini inm inn int inu itb itc itd ite iti itm itn itt itu iu- iub iuc iud iue iui ium iut mbb mbc mbd mbe mbi mbm mbt mbu mc- mcb mcc mcd mce mci mcm mcn mct mcu mdb mdc mdd mde mdi mdm mdn mdt mdu meb mec med mee mei mem men met meu mi- mib mic mid mie mii mim min mit miu mmb mmc mmd mme mmi mmm mmn mmt mmu mnb mnc mne mni mnm mnn mnt mnu mtb mtc mtd mte mti mtm mtn mtt mtu mub muc mud mue mui mum mun mut muu n-i nbb nbc nbd nbe nbi nbm nbn nbt nbu ncb ncc ncd nce nci ncm ncn nct ncu ndb ndc ndd nde ndi ndm ndn ndt ndu ne- neb nec ned nee nei nem nen net neu nib nic nid nie nii nim nin nit niu nmb nmc nmd nme nmi nmm nmn nmt nmu nnb nnc nne nni nnm nnn nnt nnu ntb ntc ntd nte nti ntm ntn ntt ntu nub nuc nud nue nui num nun nut nuu tbb tbc tbd tbe tbi tbm tbn tbt tbu tcb tcc tcd tce tci tcm tcn tct tcu tdb tdc tdd tde tdi tdm tdn tdt tdu te- teb tec ted tee tei tem ten tet teu tib tic tid tie tii tim tin tit tiu tmb tmc tmd tme tmi tmm tmn tmt tmu tnb tnc tnd tne tni tnm tnn tnt ttb ttc ttd tte tti ttm ttn ttt ttu tub tuc tud tue tui tum tun tut tuu ubb ubc ube ubi ubn ubt ubu ucb ucc ucd uce uci ucm ucn uct ucu udb udc udd ude udi udm udn udt udu ueb uec ued uee uei uem uen uet uib uic uid uie uii uim uin uit uiu um- umb umc umd ume umi umm umn umt umu un- unb unc und une uni unm unn unt unu utb utc utd ute uti utm utn utt utu uuc uue uum uun uut uuu