-up c-- ccc cch ccp ccs ccu ch- chc chh chp chs chu cpc cph cpp cps cpu csc csh csp css csu cuc cuh cup cus cuu hcc hch hcp hcs hhc hhh hhp hhs hhu hpc hph hpp hps hpu hsc hsh hsp hss hsu huc huh hup hus huu p-p pcc pch pcp pcs pcu phc php phs phu ppc pph ppp pps ppu ps- psc psh psp pss psu puc puh pup pus puu scc sch scp scs scu sh- shc shh shp shs shu spc sph spp sps spu ss- ssc ssh ssp sss ssu suc suh sup sus suu ucc uch ucp ucs ucu uhc uhh uhp uhs uhu up- upc uph upp ups upu usc ush usp uss usu uuc uus uuu