-up c-- ccc ccd ccn cco ccp ccr cct ccu cdc cdd cdn cdo cdp cdr cdt cdu cn- cnc cnd cnn cno cnp cnr cnt cnu co- coc cod con coo cop cor cot cou cpc cpd cpn cpo cpp cpr cpt cpu crc crd crn cro crp crr crt cru ctc ctd ctn cto ctp ctr ctt ctu cuc cud cun cuo cup cur cut cuu dcc dcd dcn dco dcp dcr dct dcu ddc ddd ddn ddo ddp ddr ddt ddu dnc dnd dnn dno dnp dnr dnt doc dod don doo dop dor dot dou dpc dpd dpn dpo dpp dpr dpt dpu drc drd drn dro drp drr drt dru dtc dtd dtn dto dtp dtr dtt dtu duc dud dun duo dup dur dut ncc ncd ncn nco ncp ncr nct ncu ndc ndd ndn ndo ndp ndr ndt ndu nnc nnn nno nnp nnt nnu no- noc nod non noo nop nor not nou npc npd npn npo npp npr npt npu nrc nrd nrn nro nrp nrr nrt nru ntc ntd ntn nto ntp ntr ntt ntu nuc nud nun nuo nup nur nut nuu oc- occ ocd ocn oco ocp ocr oct ocu odc odd odn odo odp odr odt odu on- onc ond onn ono onp onr ont onu oo- ooc ood oon ooo oop oor oot op- opc opd opn opo opp opr opt or- orc ord orn oro orp orr ort oru ot- otc otd otn oto otp otr ott otu ou- ouc oud oun ouo oup our out p-p pcc pcd pcn pco pcp pcr pct pcu pdc pdd pdn pdo pdp pdr pdt pdu pn- pnc pnd pnn pno pnp pnr pnt pnu poc pod pon poo pop por pot pou ppc ppd ppn ppo ppp ppr ppt ppu prc prd prn pro prp prr prt pru pt- ptc ptd ptn pto ptp ptr ptt ptu puc pud pun pup pur put puu rcc rcd rcn rco rcp rcr rct rcu rdc rdd rdn rdo rdp rdr rdt rdu rnc rnd rnn rno rnp rnr rnt rnu roc rod ron roo rop ror rot rou rpc rpd rpn rpo rpp rpr rpt rpu rrc rrd rrn rrp rrr rrt rru rtc rtd rtn rto rtp rtr rtt rtu ruc rud run ruo rup rur rut ruu tcc tcd tcn tco tcp tcr tct tcu tdc tdd tdn tdo tdp tdr tdt tdu tnc tnd tnn tno tnp tnr tnt to- toc tod ton too top tor tot tou tpc tpd tpn tpo tpp tpr tpt tpu trc trd trn tro trp trr trt tru ttc ttd ttn tto ttp ttr ttt ttu tuc tud tun tuo tup tur tut tuu ucc ucd ucn uco ucp ucr uct ucu udc udd udn udo udp udr udt udu un- unc und unn uno unp unr unt unu uoc uod uon uoo uop uor uot up- upc upd upn upo upp upr upt upu ur- urc urd urn uro urp urr urt uru utc utd utn uto utp utr utt utu uuc uun uur uut uuu