-up b-p b-u bbb bbe bbi bbn bbo bbp bbt bbu be- beb bee bei ben beo bep bet beu bi- bib bie bii bin bio bip bit biu bnb bne bni bnn bno bnp bnt bnu bob boe boi bon boo bop bot bou bpb bpe bpi bpn bpo bpp bpt bpu btb bte bti btn bto btp btt btu bub bue bui bun buo bup but buu ebb ebe ebi ebn ebo ebp ebt ebu eeb eee een eeo eep eet eib eie eii ein eio eip eit eiu en- enb ene eni enn eno enp ent enu eo- eob eoe eoi eon eoo eop eot eou ep- epb epe epi epn epo epp ept epu etb ete eti etn eto etp ett etu eu- eub eue eui eun eup eut ibb ibe ibi ibn ibo ibp ibt ibu ie- iee iei ien iep iet iib iie iii iin iio iip iit iiu in- inb ine ini inn ino inp int inu io- iob ioe ioi ion ioo iop iot iou ipb ipe ipi ipn ipo ipp ipt ipu itb ite iti itn ito itp itt itu iu- iub iue iui iup iut n-i nbb nbe nbi nbn nbo nbp nbt nbu ne- neb nee nei nen neo nep net neu nib nie nii nin nio nip nit niu nnb nne nni nnn nno nnp nnt nnu no- nob noe noi non noo nop not nou npb npe npi npn npo npp npt npu ntb nte nti ntn nto ntp ntt ntu nub nue nui nun nuo nup nut nuu o-i ob- obb obe obi obn obo obp obt obu oeb oee oei oen oeo oep oet oib oie oii oin oio oip oit oiu on- onb one oni onn ono onp ont onu oo- oob ooi oon ooo oop oot op- opb ope opi opn opo opp opt ot- otb ote oti otn oto otp ott otu ou- oue oui oun ouo oup out p-p pbb pbe pbi pbn pbo pbp pbt pbu peb pee pei pen peo pep pet peu pib pie pii pin pio pip pit piu pn- pnb pne pni pnn pno pnp pnt pnu pob poe poi pon poo pop pot pou ppb ppe ppi ppn ppo ppp ppt ppu pt- ptb pte pti ptn pto ptp ptt ptu pub pue pui pun pup put puu tbb tbe tbi tbn tbo tbp tbt tbu te- teb tee tei ten teo tep tet teu tib tie tii tin tio tip tit tiu tnb tne tni tnn tno tnp tnt to- tob toe toi ton too top tot tou tpb tpe tpi tpn tpo tpp tpt tpu ttb tte tti ttn tto ttp ttt ttu tub tue tui tun tuo tup tut tuu ubb ube ubi ubn ubo ubp ubt ubu ueb uee uei uen uep uet uib uie uii uin uio uip uit uiu un- unb une uni unn uno unp unt unu uob uoe uon uoo uop uot up- upb upe upi upn upo upp upt upu utb ute uti utn uto utp utt utu uue uun uut uuu