-ol b-u bbb bbe bbi bbk bbl bbn bbo bbs bbu be- beb bee bei bek bel ben beo bes beu bi- bib bie bii bik bil bin bio bis biu bkb bke bkk bkl bkn bko bks blb ble bli blk bll bln blo bls blu bnb bne bni bnk bnl bnn bno bns bnu bob boe boi bok bol bon boo bos bou bsb bse bsi bsk bsl bsn bso bss bsu bub bue bui buk bul bun buo bus buu ebb ebe ebi ebk ebl ebn ebo ebs ebu eeb eee eek eel een eeo ees eib eie eii eik eil ein eio eis eiu ekb eke eki ekl eko eks eku elb ele eli elk ell eln elo els elu en- enb ene eni enk enl enn eno ens enu eo- eob eoe eoi eok eol eon eoo eos eou es- esb ese esi esk esl esn eso ess esu eu- eub eue eui eul eun eus ibb ibe ibi ibk ibl ibn ibo ibs ibu ie- iee iei iek iel ien ies iib iie iii iil iin iio iis iiu ikb ike iki ikk ikl iko iks iku il- ilb ile ili ilk ill iln ilo ils ilu in- inb ine ini ink inl inn ino ins inu io- iob ioe ioi iol ion ioo ios iou is- isb ise isi isk isl isn iso iss isu iu- iub iue iui ius kbb kbe kbi kbk kbl kbn kbo kbs kbu ke- keb kee kei kek kel ken keo kes kib kie kii kik kil kin kio kis kiu kkb kke kki kkk kkl kkn kks kku kl- klb kli klo kls klu kn- kne kni knk knl knn kno knu kob koe koi kok kol kon koo kos kou ksb kse ksi ksk ksl ksn kso kss ksu kub kue kui kuk kul kun kus kuu lbb lbe lbi lbk lbl lbo lbs lbu leb lee lei lek lel len leo les leu lib lie lii lik lil lin lio lis liu lkb lkl lks llb lle lli llk lll lln llo lls llu lnb lne lni lnk lnl lnn lno lns lnu lob loe loi lok lol lon loo los lou lsb lse lsi lsk lsl lsn lso lss lsu lub lue lui luk lul lun luo lus luu n-i nbb nbe nbi nbk nbl nbn nbo nbs nbu ne- neb nee nei nek nel nen neo nes neu nib nie nii nik nil nin nio nis niu nke nki nkk nkn nko nks nku nlb nle nli nlk nll nln nlo nls nlu nnb nne nni nnk nnl nnn nno nns nnu no- nob noe noi nok nol non noo nos nou nsb nse nsi nsk nsl nsn nso nss nsu nub nue nui nuk nul nun nuo nus nuu o-i ob- obb obe obi obk obl obn obo obs obu oeb oee oei oel oen oeo oes oib oie oii oik oil oin oio ois oiu okb oke oki okk okl oko oks oku olb ole oli olk oll oln olo ols olu on- onb one oni onk onl onn ono ons onu oo- oob ooi ook ool oon ooo oos os- osb ose osi osk osl osn oso oss osu ou- oue oui ouk oul oun ouo ous sbb sbe sbi sbk sbl sbn sbo sbs sbu se- seb see sei sek sel sen seo ses seu sib sie sii sik sil sin sio sis siu sk- skb ske ski skk skl sko sks sku slb sle sli slk sll sln slo sls slu snb sne sni snk snl snn sno sns snu sob soe soi sok sol son soo sos sou ss- ssb sse ssi ssk ssl ssn sso sss ssu sub sue sui suk sul sun suo sus suu ubb ube ubi ubk ubl ubn ubo ubs ubu ueb uee uei uel uen ues uib uie uii uil uin uio uis uiu ukb uke uki ukk ukl ukn uku ulb ule uli ulk ull uln ulo uls ulu un- unb une uni unk unl unn uno uns unu uob uoe uok uol uon uoo uos usb use usi usk usl usn uso uss usu uue uun uus uuu