-up c-- ccc ccd cck ccp ccs ccu cdc cdd cdk cdp cds cdu cdy ckc ckd cks cky cpc cpd cpk cpp cps cpu csc csd csk csp css csu csy cuc cud cuk cup cus cuu cuy cyc cyd cyk cyp cys dcc dcd dck dcp dcs dcu ddc ddd ddk ddp dds ddu ddy dkc dkk dkp dks dku dpc dpd dpk dpp dps dpu dsc dsd dsk dsp dss dsu dsy duc dud duk dup dus duy dy- dyc dyd dyk dyp dys dyu dyy kcc kcd kck kcp kcs kcu kdc kdk kdp kds kdu kdy kkc kkk kkp kks kku kky kpc kpd kpk kpp kps kpu ksc ksd ksk ksp kss ksu kuc kud kuk kup kus kuu kuy kyc kyd kyp kys kyu p-p pcc pcd pck pcp pcs pcu pdc pdd pdk pdp pds pdu pkc pkd pkp pks pku pky ppc ppd ppk ppp pps ppu ps- psc psd psk psp pss psu psy puc pud puk pup pus puu puy py- pyc pyd pyk pys pyu scc scd sck scp scs scu sdc sdd sdk sdp sds sdu sdy sk- skc skd skk skp sks sku sky spc spd spk spp sps spu spy ss- ssc ssd ssk ssp sss ssu suc sud suk sup sus suu suy sy- syc syd syk syp sys syu ucc ucd uck ucp ucs ucu udc udd udk udp uds udu ukc ukk ukp uku up- upc upd upk upp ups upu usc usd usk usp uss usu uuc uus uuu uyc uys uyu ycc ycd ycp ycs ycu ycy yds ydy ykk ypd yps ypu ysc ysk ysp yss ysu ysy yud yuk yup yus yuu yuy yyc yys yyu yyy