-ic b-u bbb bbc bbe bbi bbm bbn bbs bbt bbu bcb bcc bce bci bcm bcn bcs bct bcu be- beb bec bee bei bem ben bes bet beu bi- bib bic bie bii bim bin bis bit biu bmb bmc bme bmi bmm bmn bms bmt bmu bnb bnc bne bni bnn bns bnt bnu bsb bsc bse bsi bsm bsn bss bst bsu btb btc bte bti btm btn bts btt btu bub buc bue bui bum bun bus but buu c-- cbb cbc cbe cbi cbm cbn cbs cbt cbu ccb ccc cce cci ccm ccn ccs cct ccu ce- ceb cec cee cei cem cen ces cet ceu ci- cib cic cie cii cim cin cis cit ciu cmb cmc cme cmi cmm cmn cms cmt cmu cn- cnb cnc cne cni cnm cnn cns cnt cnu csb csc cse csi csm csn css cst csu ctb ctc cte cti ctm ctn cts ctt ctu cub cuc cue cui cum cun cus cut cuu ebb ebc ebe ebi ebm ebn ebs ebt ebu ec- ecb ecc ece eci ecm ecn ecs ect ecu eeb eec eee eem een ees eet eib eic eie eii eim ein eis eit eiu em- emb emc eme emi emm emn ems emt emu en- enb enc ene eni enm enn ens ent enu es- esb esc ese esi esm esn ess est esu etb etc ete eti etm etn ets ett etu eu- eub euc eue eui eun eus eut ibb ibc ibe ibi ibm ibn ibs ibt ibu icb icc ice ici icm icn ics ict icu ie- iec iee iei iem ien ies iet iib iic iie iii iim iin iis iit iiu im- imb imc ime imi imm imn ims imt imu in- inb inc ine ini inm inn ins int inu is- isb isc ise isi ism isn iss ist isu itb itc ite iti itm itn its itt itu iu- iub iuc iue iui ium ius iut mbb mbc mbe mbi mbm mbs mbt mbu mc- mcb mcc mce mci mcm mcn mcs mct mcu meb mec mee mei mem men mes met meu mi- mib mic mie mii mim min mis mit miu mmb mmc mme mmi mmm mmn mms mmt mmu mnb mnc mne mni mnm mnn mns mnt mnu msb msc mse msi msm msn mss mst msu mtb mtc mte mti mtm mtn mts mtt mtu mub muc mue mui mum mun mus mut muu n-i nbb nbc nbe nbi nbm nbn nbs nbt nbu ncb ncc nce nci ncm ncn ncs nct ncu ne- neb nec nee nei nem nen nes net neu nib nic nie nii nim nin nis nit niu nmb nmc nme nmi nmm nmn nms nmt nmu nnb nnc nne nni nnm nnn nns nnt nnu nsb nsc nse nsi nsm nsn nss nst nsu ntb ntc nte nti ntm ntn nts ntt ntu nub nuc nue nui num nun nus nut nuu sbb sbc sbe sbi sbm sbn sbs sbt sbu scb scc sce sci scm scn scs sct scu se- seb sec see sei sem sen ses set seu sib sic sie sii sim sin sis sit siu smb smc sme smi smm smn sms smt smu snb snc sne sni snm snn sns snt snu ss- ssb ssc sse ssi ssm ssn sss sst ssu stb stc ste sti stm stn sts stt stu sub suc sue sui sum sun sus sut suu tbb tbc tbe tbi tbm tbn tbs tbt tbu tcb tcc tce tci tcm tcn tcs tct tcu te- teb tec tee tei tem ten tes tet teu tib tic tie tii tim tin tis tit tiu tmb tmc tme tmi tmm tmn tms tmt tmu tnb tnc tne tni tnm tnn tns tnt tsb tsc tse tsi tsm tsn tss tst tsu ttb ttc tte tti ttm ttn tts ttt ttu tub tuc tue tui tum tun tus tut tuu ubb ubc ube ubi ubn ubs ubt ubu ucb ucc uce uci ucm ucn ucs uct ucu ueb uec uee uei uem uen ues uet uib uic uie uii uim uin uis uit uiu um- umb umc ume umi umm umn ums umt umu un- unb unc une uni unm unn uns unt unu usb usc use usi usm usn uss ust usu utb utc ute uti utm utn uts utt utu uuc uue uum uun uus uut uuu