-up a-a a-c aaa aac aaf aao aap aas aau ac- aca acc acf aco acp acs acu af- afa afc aff afo afp afs afu aoa aoc aof aoo aop aos aou ap- apa apc apf apo app aps apu as- asa asc asf aso asp ass asu au- aua auc auf auo aup aus c-- caa cac caf cao cap cas cau cca ccc ccf cco ccp ccs ccu cfa cfc cff cfo cfp cfs cfu co- coa coc cof coo cop cos cou cpa cpc cpf cpo cpp cps cpu csa csc csf cso csp css csu cua cuc cuf cuo cup cus cuu faa fac faf fao fap fas fau fca fcc fcf fco fcp fcs fcu ffa ffc fff ffo ffp ffs ffu foa foc fof foo fop fos fou fpa fpc fpo fpp fps fpu fsa fsc fsf fso fsp fss fsu fua fuf fuo fup fus fuu oaa oac oaf oao oap oas oau oc- oca occ ocf oco ocp ocs ocu of- ofa ofc off ofo ofp ofs ofu oo- ooa ooc oof ooo oop oos op- opa opc opf opo opp ops os- osa osc osf oso osp oss osu ou- oua ouc ouf ouo oup ous p-p paa pac paf pao pap pas pau pca pcc pcf pco pcp pcs pcu pfa pfc pff pfo pfp pfs pfu poa poc pof poo pop pos pou ppa ppc ppf ppo ppp pps ppu ps- psa psc psf pso psp pss psu pua puc puf pup pus puu saa sac saf sao sap sas sau sca scc scf sco scp scs scu sfa sfc sff sfo sfp sfs sfu soa soc sof soo sop sos sou spa spc spf spo spp sps spu ss- ssa ssc ssf sso ssp sss ssu sua suc suf suo sup sus suu ua- uaa uac uaf uao uap uas uau uca ucc ucf uco ucp ucs ucu ufa ufc uff ufo ufp ufs ufu uoa uoc uoo uop uos up- upa upc upf upo upp ups upu usa usc usf uso usp uss usu uua uuc uus uuu