-up a-a a-c aaa aac aaf aap aar aas aau ac- aca acc acf acp acr acs acu af- afa afc aff afp afr afs afu ap- apa apc apf app apr aps apu ar- ara arc arf arp arr ars aru as- asa asc asf asp asr ass asu au- aua auc auf aup aur aus c-- caa cac caf cap car cas cau cca ccc ccf ccp ccr ccs ccu cfa cfc cff cfp cfr cfs cfu cpa cpc cpf cpp cpr cps cpu cra crc crf crp crr crs cru csa csc csf csp csr css csu cua cuc cuf cup cur cus cuu faa fac faf fap far fas fau fca fcc fcf fcp fcr fcs fcu ffa ffc fff ffp ffr ffs ffu fpa fpc fpp fpr fps fpu fra frc frf frp frr frs fru fsa fsc fsf fsp fsr fss fsu fua fuf fup fur fus fuu p-p paa pac paf pap par pas pau pca pcc pcf pcp pcr pcs pcu pfa pfc pff pfp pfr pfs pfu ppa ppc ppf ppp ppr pps ppu pra prc prf prp prr prs pru ps- psa psc psf psp psr pss psu pua puc puf pup pur pus puu ra- raa rac raf rap rar ras rau rca rcc rcf rcp rcr rcs rcu rfa rfc rff rfp rfr rfs rfu rpa rpc rpf rpp rpr rps rpu rra rrc rrf rrp rrr rrs rru rsa rsc rsf rsp rsr rss rsu rua ruc ruf rup rur rus ruu saa sac saf sap sar sas sau sca scc scf scp scr scs scu sfa sfc sff sfp sfr sfs sfu spa spc spf spp spr sps spu sr- sra src srf srp srr srs ss- ssa ssc ssf ssp ssr sss ssu sua suc suf sup sur sus suu ua- uaa uac uaf uap uar uas uau uca ucc ucf ucp ucr ucs ucu ufa ufc uff ufp ufr ufs ufu up- upa upc upf upp upr ups upu ur- ura urc urf urp urr urs uru usa usc usf usp usr uss usu uua uuc uur uus uuu