-er a-a aaa aae aap aar aas aaw aea aee aep aer aes aew ap- apa ape app apr aps apw ar- ara are arp arr ars arw as- asa ase asp asr ass asw aw- awa awe awp awr aws aww eaa eae eap ear eas eaw eea eee eep eer ees eew ep- epa epe epp epr eps epw era ere erp err ers erw es- esa ese esp esr ess esw ewa ewe ewp ewr ews eww p-p paa pae pap par pas paw pea pee pep per pes pew ppa ppe ppp ppr pps ppw pra pre prp prr prs prw ps- psa pse psp psr pss psw pwa pwe pwp pwr pws ra- raa rae rap rar ras raw re- rea ree rep rer res rew rpa rpe rpp rpr rps rpw rra rrp rrr rrs rsa rse rsp rsr rss rsw rwa rwe rwr rws saa sae sap sar sas saw se- sea see sep ser ses sew spa spe spp spr sps spw sr- sra sre srp srr srs srw ss- ssa sse ssp ssr sss ssw swa swe swp swr sws waa wae wap war was waw wea wee wep wer wes wew wpa wpe wpp wpr wps wr- wra wre wrp wrr wrs wrw wsa wse wsp wsr wss wsw wwa wwe wwp www