a-a a-c aaa aac aap aar aas aaw ac- aca acc acp acr acs acw ap- apa apc app apr aps apw ar- ara arc arp arr ars arw as- asa asc asp asr ass asw aw- awa awc awp awr aws aww c-- caa cac cap car cas caw cca ccc ccp ccr ccs ccw cpa cpc cpp cpr cps cpw cra crc crp crr crs crw csa csc csp csr css csw cw- cwa cwc cwp cwr cws p-p paa pac pap par pas paw pca pcc pcp pcr pcs pcw ppa ppc ppp ppr pps ppw pra prc prp prr prs prw ps- psa psc psp psr pss psw pwa pwc pwp pwr pws ra- raa rac rap rar ras raw rca rcc rcp rcr rcs rcw rpa rpc rpp rpr rps rpw rra rrc rrp rrr rrs rsa rsc rsp rsr rss rsw rwa rwc rwr rws saa sac sap sar sas saw sca scc scp scr scs scw spa spc spp spr sps spw sr- sra src srp srr srs srw ss- ssa ssc ssp ssr sss ssw swa swc swp swr sws waa wac wap war was waw wca wcc wcp wcr wcs wcw wpa wpc wpp wpr wps wr- wra wrc wrp wrr wrs wrw wsa wsc wsp wsr wss wsw wwa wwc wwp www