-ol -up b-p b-u bbb bbe bbi bbl bbn bbo bbp bbs bbu be- beb bee bei bel ben beo bep bes beu bi- bib bie bii bil bin bio bip bis biu blb ble bli bll bln blo blp bls blu bnb bne bni bnl bnn bno bnp bns bnu bob boe boi bol bon boo bop bos bou bpb bpe bpi bpl bpn bpo bpp bps bpu bsb bse bsi bsl bsn bso bsp bss bsu bub bue bui bul bun buo bup bus buu ebb ebe ebi ebl ebn ebo ebp ebs ebu eeb eee eel een eeo eep ees eib eie eii eil ein eio eip eis eiu elb ele eli ell eln elo elp els elu en- enb ene eni enl enn eno enp ens enu eo- eob eoe eoi eol eon eoo eop eos eou ep- epb epe epi epl epn epo epp eps epu es- esb ese esi esl esn eso esp ess esu eu- eub eue eui eul eun eup eus ibb ibe ibi ibl ibn ibo ibp ibs ibu ie- iee iei iel ien iep ies iib iie iii iil iin iio iip iis iiu il- ilb ile ili ill iln ilo ilp ils ilu in- inb ine ini inl inn ino inp ins inu io- iob ioe ioi iol ion ioo iop ios iou ipb ipe ipi ipl ipn ipo ipp ips ipu is- isb ise isi isl isn iso isp iss isu iu- iub iue iui iup ius l-p lbb lbe lbi lbl lbo lbp lbs lbu leb lee lei lel len leo lep les leu lib lie lii lil lin lio lip lis liu llb lle lli lll lln llo llp lls llu lnb lne lni lnl lnn lno lnp lns lnu lob loe loi lol lon loo lop los lou lpb lpe lpi lpl lpn lpo lpp lps lpu lsb lse lsi lsl lsn lso lsp lss lsu lub lue lui lul lun luo lup lus luu n-i nbb nbe nbi nbl nbn nbo nbp nbs nbu ne- neb nee nei nel nen neo nep nes neu nib nie nii nil nin nio nip nis niu nlb nle nli nll nln nlo nlp nls nlu nnb nne nni nnl nnn nno nnp nns nnu no- nob noe noi nol non noo nop nos nou npb npe npi npl npn npo npp nps npu nsb nse nsi nsl nsn nso nsp nss nsu nub nue nui nul nun nuo nup nus nuu o-i ob- obb obe obi obl obn obo obp obs obu oeb oee oei oel oen oeo oep oes oib oie oii oil oin oio oip ois oiu olb ole oli oll oln olo olp ols olu on- onb one oni onl onn ono onp ons onu oo- oob ooi ool oon ooo oop oos op- opb ope opi opl opn opo opp ops os- osb ose osi osl osn oso osp oss osu ou- oue oui oul oun ouo oup ous p-p pbb pbe pbi pbl pbn pbo pbp pbs pbu peb pee pei pel pen peo pep pes peu pib pie pii pil pin pio pip pis piu plb ple pli pll pln plo plp pls plu pn- pnb pne pni pnl pnn pno pnp pns pnu pob poe poi pol pon poo pop pos pou ppb ppe ppi ppl ppn ppo ppp pps ppu ps- psb pse psi psl psn pso psp pss psu pub pue pui pul pun pup pus puu sbb sbe sbi sbl sbn sbo sbp sbs sbu se- seb see sei sel sen seo sep ses seu sib sie sii sil sin sio sip sis siu slb sle sli sll sln slo slp sls slu snb sne sni snl snn sno snp sns snu sob soe soi sol son soo sop sos sou spb spe spi spl spn spo spp sps spu ss- ssb sse ssi ssl ssn sso ssp sss ssu sub sue sui sul sun suo sup sus suu ubb ube ubi ubl ubn ubo ubp ubs ubu ueb uee uei uel uen uep ues uib uie uii uil uin uio uip uis uiu ulb ule uli ull uln ulo ulp uls ulu un- unb une uni unl unn uno unp uns unu uob uoe uol uon uoo uop uos up- upb upe upi upn upo upp ups upu usb use usi usl usn uso usp uss usu uue uun uus uuu