-up c-- ccc ccd cce cck cco ccp ccs ccu cdc cdd cde cdk cdo cdp cds cdu ce- cec ced cee cek ceo cep ces ceu ckc ckd cko cks co- coc cod coe cok coo cop cos cou cpc cpd cpe cpk cpo cpp cps cpu csc csd cse csk cso csp css csu cuc cud cue cuk cuo cup cus cuu dcc dcd dce dck dco dcp dcs dcu ddc ddd dde ddk ddo ddp dds ddu de- dec ded dee dek deo dep des deu dkc dke dkk dko dkp dks dku doc dod doe dok doo dop dos dou dpc dpd dpe dpk dpo dpp dps dpu dsc dsd dse dsk dso dsp dss dsu duc dud due duk duo dup dus ec- ecc ecd ece eck eco ecs ecu ed- edc edd ede edk edo edp eds edu eec eed eee eek eeo eep ees ekc ekd eke eko ekp eks eku eo- eoc eod eoe eok eoo eop eos eou ep- epc epd epe epo epp eps epu es- esc esd ese esk eso esp ess esu eu- euc eud eue eup eus kcc kcd kce kck kcp kcs kcu kdc kde kdk kdo kdp kds kdu ke- kec ked kee kek keo kep kes kkc kke kkk kkp kks kku koc kod koe kok koo kop kos kou kpc kpd kpe kpk kpo kpp kps kpu ksc ksd kse ksk kso ksp kss ksu kuc kud kue kuk kup kus kuu oc- occ ocd ock oco ocp ocs ocu odc odd ode odo odp ods odu oec oed oee oeo oep oes okc okd oke okk oko okp oks oku oo- ooc ood ook ooo oop oos op- opc opd ope opk opo opp ops os- osc osd ose osk oso osp oss osu ou- ouc oud oue ouk ouo oup ous p-p pcc pcd pce pck pco pcp pcs pcu pdc pdd pde pdk pdo pdp pds pdu pec ped pee pek peo pep pes peu pkc pkd pke pko pkp pks pku poc pod poe pok poo pop pos pou ppc ppd ppe ppk ppo ppp pps ppu ps- psc psd pse psk pso psp pss psu puc pud pue puk pup pus puu scc scd sce sck sco scp scs scu sdc sdd sde sdk sdo sdp sds sdu se- sec sed see sek seo sep ses seu sk- skc skd ske skk sko skp sks sku soc sod soe sok soo sop sos sou spc spd spe spk spo spp sps spu ss- ssc ssd sse ssk sso ssp sss ssu suc sud sue suk suo sup sus suu ucc ucd uce uck uco ucp ucs ucu udc udd ude udk udo udp uds udu uec ued uee uep ues ukc uke ukk ukp uku uoc uod uoe uok uoo uop uos up- upc upd upe upk upo upp ups upu usc usd use usk uso usp uss usu uuc uue uus uuu