-ic b-u bbb bbc bbe bbi bbn bbs bbu bcb bcc bce bci bcn bcs bcu bcz be- beb bec bee bei ben bes beu bez bi- bib bic bie bii bin bis biu biz bnb bnc bne bni bnn bns bnu bnz bsb bsc bse bsi bsn bss bsu bub buc bue bui bun bus buu buz bze bzn bzs bzu bzz c-- cbb cbc cbe cbi cbn cbs cbu cbz ccb ccc cce cci ccn ccs ccu ccz ce- ceb cec cee cei cen ces ceu cez ci- cib cic cie cii cin cis ciu cn- cnb cnc cne cni cnn cns cnu csb csc cse csi csn css csu csz cub cuc cue cui cun cus cuu cuz cz- czc cze ebb ebc ebe ebi ebn ebs ebu ec- ecb ecc ece eci ecn ecs ecu eeb eec eee een ees eib eic eie eii ein eis eiu en- enb enc ene eni enn ens enu enz es- esb esc ese esi esn ess esu eu- eub euc eue eui eun eus eze ezs ezz ibb ibc ibe ibi ibn ibs ibu ibz icb icc ice ici icn ics icu icz ie- iec iee iei ien ies iib iic iie iii iin iis iiu in- inb inc ine ini inn ins inu is- isb isc ise isi isn iss isu iu- iub iuc iue iui ius iuz ize izi izu izz n-i nbb nbc nbe nbi nbn nbs nbu ncb ncc nce nci ncn ncs ncu ne- neb nec nee nei nen nes neu nez nib nic nie nii nin nis niu niz nnb nnc nne nni nnn nns nnu nnz nsb nsc nse nsi nsn nss nsu nsz nub nuc nue nui nun nus nuu nzb nze nzi nzs nzz sbb sbc sbe sbi sbn sbs sbu scb scc sce sci scn scs scu se- seb sec see sei sen ses seu sez sib sic sie sii sin sis siu snb snc sne sni snn sns snu ss- ssb ssc sse ssi ssn sss ssu ssz sub suc sue sui sun sus suu suz sze szi szu ubb ubc ube ubi ubn ubs ubu ucb ucc uce uci ucn ucs ucu ueb uec uee uei uen ues uib uic uie uii uin uis uiu un- unb unc une uni unn uns unu usb usc use usi usn uss usu usz uuc uue uun uus uuu uzb uzi uzu zbb zbc zbs zce zcs zeb zec zee zen zes zez zib zie zin zis ziz znc zne znn zns zse zsi zsu zsz zub zuc zui zun zus zuz zzs zzz