-er -up eee een eeo eep eer eie eii ein eio eip eir eiu en- ene eni enn eno enp enr enu eo- eoe eoi eon eoo eop eoq eor eou ep- epe epi epn epo epp epq epr epu eqe eqn eqp eqq equ ere eri ern ero erp erq err eru eu- eue eui eun eup eur ie- iee iei ien iep ier iie iii iin iio iip iir iiu in- ine ini inn ino inp inq inr inu io- ioe ioi ion ioo iop ior iou ipe ipi ipn ipo ipp ipr ipu iqe iqu ir- ire iri irn iro irp irq irr iru iu- iue iui iup iur n-i ne- nee nei nen neo nep ner neu nie nii nin nio nip niq nir niu nne nni nnn nno nnp nnu no- noe noi non noo nop nor nou npe npi npn npo npp npr npu nre nri nrn nro nrp nrr nru nue nui nun nuo nup nuq nur nuu o-i oee oei oen oeo oep oer oie oii oin oio oip oir oiu on- one oni onn ono onp onr onu oo- ooi oon ooo oop oor op- ope opi opn opo opp opq opr oqo or- ore ori orn oro orp orr oru ou- oue oui oun ouo oup our p-p pee pei pen peo pep per peu pie pii pin pio pip piq pir piu pn- pne pni pnn pno pnp pnr pnu poe poi pon poo pop por pou ppe ppi ppn ppo ppp ppq ppr ppu pqi pqq pqr pre pri prn pro prp prq prr pru pue pui pun pup pur puu qee qen qeo qep qie qin qio qip qir qiu qne qni qoi qoo qop qor qpp qpr qqq qqu qre qri qrp qru qu- que qui quo qur re- ree rei ren reo rep req rer reu rie rii rin rio rip riq rir rni rnn rno rnp rnr rnu roe roi ron roo rop ror rou rpe rpi rpn rpo rpp rpr rpu rqn rri rrn rrp rrq rrr rru rue rui run ruo rup rur ruu uee uei uen uep uer uie uii uin uio uip uiq uir uiu un- une uni unn uno unp unq unr unu uoe uon uoo uop uor up- upe upi upn upo upp upr upu ur- ure uri urn uro urp urr uru uue uun uur uuu