-er -up c-- ccc ccd cce ccn cco ccp ccr cct ccu cdc cdd cde cdn cdo cdp cdr cdt cdu ce- cec ced cee cen ceo cep cer cet ceu cn- cnc cnd cne cnn cno cnp cnr cnt cnu co- coc cod coe con coo cop cor cot cou cpc cpd cpe cpn cpo cpp cpr cpt cpu crc crd cre crn cro crp crr crt cru ctc ctd cte ctn cto ctp ctr ctt ctu cuc cud cue cun cuo cup cur cut cuu dcc dcd dce dcn dco dcp dcr dct dcu ddc ddd dde ddn ddo ddp ddr ddt ddu de- dec ded dee den deo dep der det deu dnc dnd dne dnn dno dnp dnr dnt doc dod doe don doo dop dor dot dou dpc dpd dpe dpn dpo dpp dpr dpt dpu drc drd dre drn dro drp drr drt dru dtc dtd dte dtn dto dtp dtr dtt dtu duc dud due dun duo dup dur dut ec- ecc ecd ece ecn eco ecr ect ecu ed- edc edd ede edn edo edp edr edt edu eec eed eee een eeo eep eer eet en- enc end ene enn eno enp enr ent enu eo- eoc eod eoe eon eoo eop eor eot eou ep- epc epd epe epn epo epp epr ept epu erc erd ere ern ero erp err ert eru etc etd ete etn eto etp etr ett etu eu- euc eud eue eun eup eur eut ncc ncd nce ncn nco ncp ncr nct ncu ndc ndd nde ndn ndo ndp ndr ndt ndu ne- nec ned nee nen neo nep ner net neu nnc nne nnn nno nnp nnt nnu no- noc nod noe non noo nop nor not nou npc npd npe npn npo npp npr npt npu nrc nrd nre nrn nro nrp nrr nrt nru ntc ntd nte ntn nto ntp ntr ntt ntu nuc nud nue nun nuo nup nur nut nuu oc- occ ocd ocn oco ocp ocr oct ocu odc odd ode odn odo odp odr odt odu oec oed oee oen oeo oep oer oet on- onc ond one onn ono onp onr ont onu oo- ooc ood oon ooo oop oor oot op- opc opd ope opn opo opp opr opt or- orc ord ore orn oro orp orr ort oru ot- otc otd ote otn oto otp otr ott otu ou- ouc oud oue oun ouo oup our out p-p pcc pcd pce pcn pco pcp pcr pct pcu pdc pdd pde pdn pdo pdp pdr pdt pdu pec ped pee pen peo pep per pet peu pn- pnc pnd pne pnn pno pnp pnr pnt pnu poc pod poe pon poo pop por pot pou ppc ppd ppe ppn ppo ppp ppr ppt ppu prc prd pre prn pro prp prr prt pru pt- ptc ptd pte ptn pto ptp ptr ptt ptu puc pud pue pun pup pur put puu rcc rcd rce rcn rco rcp rcr rct rcu rdc rdd rde rdn rdo rdp rdr rdt rdu re- rec red ree ren reo rep rer ret reu rnc rnd rnn rno rnp rnr rnt rnu roc rod roe ron roo rop ror rot rou rpc rpd rpe rpn rpo rpp rpr rpt rpu rrc rrd rrn rrp rrr rrt rru rtc rtd rte rtn rto rtp rtr rtt rtu ruc rud rue run ruo rup rur rut ruu tcc tcd tce tcn tco tcp tcr tct tcu tdc tdd tde tdn tdo tdp tdr tdt tdu te- tec ted tee ten teo tep ter tet teu tnc tnd tne tnn tno tnp tnr tnt to- toc tod toe ton too top tor tot tou tpc tpd tpe tpn tpo tpp tpr tpt tpu trc trd tre trn tro trp trr trt tru ttc ttd tte ttn tto ttp ttr ttt ttu tuc tud tue tun tuo tup tur tut tuu ucc ucd uce ucn uco ucp ucr uct ucu udc udd ude udn udo udp udr udt udu uec ued uee uen uep uer uet un- unc und une unn uno unp unr unt unu uoc uod uoe uon uoo uop uor uot up- upc upd upe upn upo upp upr upt upu ur- urc urd ure urn uro urp urr urt uru utc utd ute utn uto utp utr utt utu uuc uue uun uur uut uuu