-er -ic -up c-- ccc ccd cce cci ccn cco ccp ccr ccu cdc cdd cde cdi cdn cdo cdp cdr cdu ce- cec ced cee cei cen ceo cep cer ceu ci- cic cid cie cii cin cio cip cir ciu cn- cnc cnd cne cni cnn cno cnp cnr cnu co- coc cod coe coi con coo cop cor cou cpc cpd cpe cpi cpn cpo cpp cpr cpu crc crd cre cri crn cro crp crr cru cuc cud cue cui cun cuo cup cur cuu dcc dcd dce dci dcn dco dcp dcr dcu ddc ddd dde ddi ddn ddo ddp ddr ddu de- dec ded dee dei den deo dep der deu di- dic did die dii din dio dip dir diu dnc dnd dne dni dnn dno dnp dnr doc dod doe doi don doo dop dor dou dpc dpd dpe dpi dpn dpo dpp dpr dpu drc drd dre dri drn dro drp drr dru duc dud due dui dun duo dup dur ec- ecc ecd ece eci ecn eco ecr ecu ed- edc edd ede edi edn edo edp edr edu eec eed eee een eeo eep eer eic eid eie eii ein eio eip eir eiu en- enc end ene eni enn eno enp enr enu eo- eoc eod eoe eoi eon eoo eop eor eou ep- epc epd epe epi epn epo epp epr epu erc erd ere eri ern ero erp err eru eu- euc eud eue eui eun eup eur i-d icc icd ice ici icn ico icp icr icu idc idd ide idi idn ido idp idr idu ie- iec ied iee iei ien iep ier iic iid iie iii iin iio iip iir iiu in- inc ind ine ini inn ino inp inr inu io- ioc iod ioe ioi ion ioo iop ior iou ipc ipd ipe ipi ipn ipo ipp ipr ipu ir- irc ird ire iri irn iro irp irr iru iu- iuc iud iue iui iup iur n-i ncc ncd nce nci ncn nco ncp ncr ncu ndc ndd nde ndi ndn ndo ndp ndr ndu ne- nec ned nee nei nen neo nep ner neu nic nid nie nii nin nio nip nir niu nnc nne nni nnn nno nnp nnu no- noc nod noe noi non noo nop nor nou npc npd npe npi npn npo npp npr npu nrc nrd nre nri nrn nro nrp nrr nru nuc nud nue nui nun nuo nup nur nuu o-i oc- occ ocd oci ocn oco ocp ocr ocu odc odd ode odi odn odo odp odr odu oec oed oee oei oen oeo oep oer oic oid oie oii oin oio oip oir oiu on- onc ond one oni onn ono onp onr onu oo- ooc ood ooi oon ooo oop oor op- opc opd ope opi opn opo opp opr or- orc ord ore ori orn oro orp orr oru ou- ouc oud oue oui oun ouo oup our p-p pcc pcd pce pci pcn pco pcp pcr pcu pdc pdd pde pdi pdn pdo pdp pdr pdu pec ped pee pei pen peo pep per peu pic pid pie pii pin pio pip pir piu pn- pnc pnd pne pni pnn pno pnp pnr pnu poc pod poe poi pon poo pop por pou ppc ppd ppe ppi ppn ppo ppp ppr ppu prc prd pre pri prn pro prp prr pru puc pud pue pui pun pup pur puu rcc rcd rce rci rcn rco rcp rcr rcu rdc rdd rde rdi rdn rdo rdp rdr rdu re- rec red ree rei ren reo rep rer reu ric rid rie rii rin rio rip rir rnc rnd rni rnn rno rnp rnr rnu roc rod roe roi ron roo rop ror rou rpc rpd rpe rpi rpn rpo rpp rpr rpu rrc rrd rri rrn rrp rrr rru ruc rud rue rui run ruo rup rur ruu ucc ucd uce uci ucn uco ucp ucr ucu udc udd ude udi udn udo udp udr udu uec ued uee uei uen uep uer uic uid uie uii uin uio uip uir uiu un- unc und une uni unn uno unp unr unu uoc uod uoe uon uoo uop uor up- upc upd upe upi upn upo upp upr upu ur- urc urd ure uri urn uro urp urr uru uuc uue uun uur uuu