-er -up c-- ccc ccd cce ccm ccn cco ccp ccr ccu cdc cdd cde cdm cdn cdo cdp cdr cdu ce- cec ced cee cem cen ceo cep cer ceu cmc cmd cme cmm cmn cmo cmp cmr cmu cn- cnc cnd cne cnm cnn cno cnp cnr cnu co- coc cod coe com con coo cop cor cou cpc cpd cpe cpm cpn cpo cpp cpr cpu crc crd cre crm crn cro crp crr cru cuc cud cue cum cun cuo cup cur cuu dcc dcd dce dcm dcn dco dcp dcr dcu ddc ddd dde ddm ddn ddo ddp ddr ddu de- dec ded dee dem den deo dep der deu dmc dmd dme dmm dmn dmo dmp dmr dmu dnc dnd dne dnm dnn dno dnp dnr doc dod doe dom don doo dop dor dou dpc dpd dpe dpm dpn dpo dpp dpr dpu drc drd dre drm drn dro drp drr dru duc dud due dum dun duo dup dur ec- ecc ecd ece ecm ecn eco ecr ecu ed- edc edd ede edm edn edo edp edr edu eec eed eee eem een eeo eep eer em- emc emd eme emm emn emo emp emr emu en- enc end ene enm enn eno enp enr enu eo- eoc eod eoe eom eon eoo eop eor eou ep- epc epd epe epm epn epo epp epr epu erc erd ere erm ern ero erp err eru eu- euc eud eue eun eup eur m-o m-r mc- mcc mcd mce mcm mcn mco mcp mcr mcu mdc mdd mde mdm mdn mdo mdp mdr mdu mec med mee mem men meo mep mer meu mmc mmd mme mmm mmn mmo mmp mmr mmu mnc mne mnm mnn mno mnp mnr mnu moc mod moe mom mon moo mop mor mou mpc mpd mpe mpm mpn mpo mpp mpr mpu mrc mrd mre mrm mrn mro mrp mrr mru muc mud mue mum mun mup mur muu ncc ncd nce ncm ncn nco ncp ncr ncu ndc ndd nde ndm ndn ndo ndp ndr ndu ne- nec ned nee nem nen neo nep ner neu nmc nmd nme nmm nmn nmo nmp nmr nmu nnc nne nnm nnn nno nnp nnu no- noc nod noe nom non noo nop nor nou npc npd npe npm npn npo npp npr npu nrc nrd nre nrm nrn nro nrp nrr nru nuc nud nue num nun nuo nup nur nuu oc- occ ocd ocm ocn oco ocp ocr ocu odc odd ode odm odn odo odp odr odu oec oed oee oem oen oeo oep oer om- omc omd ome omm omn omo omp omr omu on- onc ond one onn ono onp onr onu oo- ooc ood oom oon ooo oop oor op- opc opd ope opm opn opo opp opr or- orc ord ore orm orn oro orp orr oru ou- ouc oud oue oum oun ouo oup our p-p pcc pcd pce pcm pcn pco pcp pcr pcu pdc pdd pde pdm pdn pdo pdp pdr pdu pec ped pee pem pen peo pep per peu pmc pmd pme pmm pmn pmo pmp pmr pmu pn- pnc pnd pne pnm pnn pno pnp pnr pnu poc pod poe pom pon poo pop por pou ppc ppd ppe ppm ppn ppo ppp ppr ppu prc prd pre prm prn pro prp prr pru puc pud pue pum pun pup pur puu rcc rcd rce rcm rcn rco rcp rcr rcu rdc rdd rde rdm rdn rdo rdp rdr rdu re- rec red ree rem ren reo rep rer reu rmc rmd rme rmm rmn rmo rmp rmr rnc rnd rnm rnn rno rnp rnr rnu roc rod roe rom ron roo rop ror rou rpc rpd rpe rpm rpn rpo rpp rpr rpu rrc rrd rrm rrn rrp rrr rru ruc rud rue rum run ruo rup rur ruu ucc ucd uce ucm ucn uco ucp ucr ucu udc udd ude udm udn udo udp udr udu uec ued uee uem uen uep uer um- umc umd ume umm umn umo ump umr umu un- unc und une unm unn uno unp unr unu uoc uod uoe uom uon uoo uop uor up- upc upd upe upm upn upo upp upr upu ur- urc urd ure urm urn uro urp urr uru uuc uue uum uun uur uuu