-up c-- ccc ccd cce cck ccp ccs ccu cdc cdd cde cdk cdp cds cdu ce- cec ced cee cek cep ces ceu ckc ckd cks cpc cpd cpe cpk cpp cps cpu csc csd cse csk csp css csu cuc cud cue cuk cup cus cuu dcc dcd dce dck dcp dcs dcu ddc ddd dde ddk ddp dds ddu de- dec ded dee dek dep des deu dkc dke dkk dkp dks dku dpc dpd dpe dpk dpp dps dpu dsc dsd dse dsk dsp dss dsu duc dud due duk dup dus ec- ecc ecd ece eck ecs ecu ed- edc edd ede edk edp eds edu eec eed eee eek eep ees ekc ekd eke ekp eks eku ep- epc epd epe epp eps epu es- esc esd ese esk esp ess esu eu- euc eud eue eup eus kcc kcd kce kck kcp kcs kcu kdc kde kdk kdp kds kdu ke- kec ked kee kek kep kes kkc kke kkk kkp kks kku kpc kpd kpe kpk kpp kps kpu ksc ksd kse ksk ksp kss ksu kuc kud kue kuk kup kus kuu p-p pcc pcd pce pck pcp pcs pcu pdc pdd pde pdk pdp pds pdu pec ped pee pek pep pes peu pkc pkd pke pkp pks pku ppc ppd ppe ppk ppp pps ppu ps- psc psd pse psk psp pss psu puc pud pue puk pup pus puu scc scd sce sck scp scs scu sdc sdd sde sdk sdp sds sdu se- sec sed see sek sep ses seu sk- skc skd ske skk skp sks sku spc spd spe spk spp sps spu ss- ssc ssd sse ssk ssp sss ssu suc sud sue suk sup sus suu ucc ucd uce uck ucp ucs ucu udc udd ude udk udp uds udu uec ued uee uep ues ukc uke ukk ukp uku up- upc upd upe upk upp ups upu usc usd use usk usp uss usu uuc uue uus uuu