b-u bbb bbe bbi bbk bbn bbs bbu bbw be- beb bee bei bek ben bes beu bew bi- bib bie bii bik bin bis biu biw bkb bke bkk bkn bks bkw bnb bne bni bnk bnn bns bnu bnw bsb bse bsi bsk bsn bss bsu bsw bub bue bui buk bun bus buu buw bwb bwi bwk bws bwu ebb ebe ebi ebk ebn ebs ebu ebw eeb eee eek een ees eew eib eie eii eik ein eis eiu ekb eke eki eks eku en- enb ene eni enk enn ens enu enw es- esb ese esi esk esn ess esu esw eu- eub eue eui eun eus ewb ewe ewi ewk ews ewu eww ibb ibe ibi ibk ibn ibs ibu ibw ie- iee iei iek ien ies iib iie iii iin iis iiu iiw ikb ike iki ikk iks iku in- inb ine ini ink inn ins inu is- isb ise isi isk isn iss isu isw iu- iub iue iui ius iwb iwe iwi iwk iws iwu iww kbb kbe kbi kbk kbn kbs kbu kbw ke- keb kee kei kek ken kes kew kib kie kii kik kin kis kiu kkb kke kki kkk kkn kks kku kn- kne kni knk knn knu ksb kse ksi ksk ksn kss ksu ksw kub kue kui kuk kun kus kuu kw- kwi kwk kws kww n-i nbb nbe nbi nbk nbn nbs nbu nbw ne- neb nee nei nek nen nes neu new nib nie nii nik nin nis niu nke nki nkk nkn nks nku nnb nne nni nnk nnn nns nnu nnw nsb nse nsi nsk nsn nss nsu nsw nub nue nui nuk nun nus nuu nwb nwe nwi nwn nws nwu sbb sbe sbi sbk sbn sbs sbu sbw se- seb see sei sek sen ses seu sew sib sie sii sik sin sis siu siw sk- skb ske ski skk sks sku skw snb sne sni snk snn sns snu snw ss- ssb sse ssi ssk ssn sss ssu ssw sub sue sui suk sun sus suu suw swb swe swi swk swn sws swu ubb ube ubi ubk ubn ubs ubu ubw ueb uee uei uen ues uew uib uie uii uin uis uiu ukb uke uki ukk ukn uku un- unb une uni unk unn uns unu unw usb use usi usk usn uss usu usw uue uun uus uuu uwb uwe uwn uws uww wbb wbe wbi wbn wbs wbw web wee wei wek wen wes wew wib wie wii wik win wis wiu wkb wke wks wkw wn- wne wnn wns wnu wnw wsb wse wsi wsk wsn wss wsu wsw wub wue wun wus wwe wwi wwn wwu www