c-- ccc ccf cch ccs ccu cfc cff cfh cfs cfu ch- chc chf chh chs chu csc csf csh css csu cuc cuf cuh cus cuu fcc fcf fcs fcu ffc fff ffh ffs ffu fhc fhf fhh fhs fsc fsf fsh fss fsu fuf fus fuu hcc hcf hch hcs hfc hff hfh hfs hfu hhc hhf hhh hhs hhu hsc hsf hsh hss hsu huc huf huh hus huu scc scf sch scs scu sfc sff sfh sfs sfu sh- shc shf shh shs shu ss- ssc ssf ssh sss ssu suc suf suh sus suu ucc ucf uch ucs ucu ufc uff ufh ufs ufu uhc uhf uhh uhs uhu usc usf ush uss usu uuc uus uuu