-er -up ddd dde ddi ddn ddo ddp ddr ddu de- ded dee dei den deo dep der deu di- did die dii din dio dip dir diu dnd dne dni dnn dno dnp dnr dod doe doi don doo dop dor dou dpd dpe dpi dpn dpo dpp dpr dpu drd dre dri drn dro drp drr dru dud due dui dun duo dup dur ed- edd ede edi edn edo edp edr edu eed eee een eeo eep eer eid eie eii ein eio eip eir eiu en- end ene eni enn eno enp enr enu eo- eod eoe eoi eon eoo eop eor eou ep- epd epe epi epn epo epp epr epu erd ere eri ern ero erp err eru eu- eud eue eui eun eup eur i-d idd ide idi idn ido idp idr idu ie- ied iee iei ien iep ier iid iie iii iin iio iip iir iiu in- ind ine ini inn ino inp inr inu io- iod ioe ioi ion ioo iop ior iou ipd ipe ipi ipn ipo ipp ipr ipu ir- ird ire iri irn iro irp irr iru iu- iud iue iui iup iur n-i ndd nde ndi ndn ndo ndp ndr ndu ne- ned nee nei nen neo nep ner neu nid nie nii nin nio nip nir niu nne nni nnn nno nnp nnu no- nod noe noi non noo nop nor nou npd npe npi npn npo npp npr npu nrd nre nri nrn nro nrp nrr nru nud nue nui nun nuo nup nur nuu o-i odd ode odi odn odo odp odr odu oed oee oei oen oeo oep oer oid oie oii oin oio oip oir oiu on- ond one oni onn ono onp onr onu oo- ood ooi oon ooo oop oor op- opd ope opi opn opo opp opr or- ord ore ori orn oro orp orr oru ou- oud oue oui oun ouo oup our p-p pdd pde pdi pdn pdo pdp pdr pdu ped pee pei pen peo pep per peu pid pie pii pin pio pip pir piu pn- pnd pne pni pnn pno pnp pnr pnu pod poe poi pon poo pop por pou ppd ppe ppi ppn ppo ppp ppr ppu prd pre pri prn pro prp prr pru pud pue pui pun pup pur puu rdd rde rdi rdn rdo rdp rdr rdu re- red ree rei ren reo rep rer reu rid rie rii rin rio rip rir rnd rni rnn rno rnp rnr rnu rod roe roi ron roo rop ror rou rpd rpe rpi rpn rpo rpp rpr rpu rrd rri rrn rrp rrr rru rud rue rui run ruo rup rur ruu udd ude udi udn udo udp udr udu ued uee uei uen uep uer uid uie uii uin uio uip uir uiu un- und une uni unn uno unp unr unu uod uoe uon uoo uop uor up- upd upe upi upn upo upp upr upu ur- urd ure uri urn uro urp urr uru uue uun uur uuu