b-u bbb bbe bbi bbm bbn bbo bbs bbu be- beb bee bei bem ben beo bes beu bi- bib bie bii bim bin bio bis biu bmb bme bmi bmm bmn bmo bms bmu bnb bne bni bnn bno bns bnu bob boe boi bom bon boo bos bou bsb bse bsi bsm bsn bso bss bsu bub bue bui bum bun buo bus buu ebb ebe ebi ebm ebn ebo ebs ebu eeb eee eem een eeo ees eib eie eii eim ein eio eis eiu em- emb eme emi emm emn emo ems emu en- enb ene eni enm enn eno ens enu eo- eob eoe eoi eom eon eoo eos eou es- esb ese esi esm esn eso ess esu eu- eub eue eui eun eus ibb ibe ibi ibm ibn ibo ibs ibu ie- iee iei iem ien ies iib iie iii iim iin iio iis iiu im- imb ime imi imm imn imo ims imu in- inb ine ini inm inn ino ins inu io- iob ioe ioi iom ion ioo ios iou is- isb ise isi ism isn iso iss isu iu- iub iue iui ium ius m-o mbb mbe mbi mbm mbo mbs mbu meb mee mei mem men meo mes meu mi- mib mie mii mim min mio mis miu mmb mme mmi mmm mmn mmo mms mmu mnb mne mni mnm mnn mno mns mnu mob moe moi mom mon moo mos mou msb mse msi msm msn mso mss msu mub mue mui mum mun mus muu n-i nbb nbe nbi nbm nbn nbo nbs nbu ne- neb nee nei nem nen neo nes neu nib nie nii nim nin nio nis niu nmb nme nmi nmm nmn nmo nms nmu nnb nne nni nnm nnn nno nns nnu no- nob noe noi nom non noo nos nou nsb nse nsi nsm nsn nso nss nsu nub nue nui num nun nuo nus nuu o-i ob- obb obe obi obm obn obo obs obu oeb oee oei oem oen oeo oes oib oie oii oim oin oio ois oiu om- omb ome omi omm omn omo oms omu on- onb one oni onn ono ons onu oo- oob ooi oom oon ooo oos os- osb ose osi osm osn oso oss osu ou- oue oui oum oun ouo ous sbb sbe sbi sbm sbn sbo sbs sbu se- seb see sei sem sen seo ses seu sib sie sii sim sin sio sis siu smb sme smi smm smn smo sms smu snb sne sni snm snn sno sns snu sob soe soi som son soo sos sou ss- ssb sse ssi ssm ssn sso sss ssu sub sue sui sum sun suo sus suu ubb ube ubi ubn ubo ubs ubu ueb uee uei uem uen ues uib uie uii uim uin uio uis uiu um- umb ume umi umm umn umo ums umu un- unb une uni unm unn uno uns unu uob uoe uom uon uoo uos usb use usi usm usn uso uss usu uue uum uun uus uuu