a-a aaa aae aaf aas aaw aea aee aef aes aew af- afa afe aff afs afw as- asa ase asf ass asw aw- awa awe awf aws aww eaa eae eaf eas eaw eea eee eef ees eew ef- efa efe eff efs efw es- esa ese esf ess esw ewa ewe ewf ews eww faa fae faf fas faw fea fee fef fes few ffa ffe fff ffs ffw fsa fse fsf fss fsw fwa fwe fwf fws saa sae saf sas saw se- sea see sef ses sew sfa sfe sff sfs sfw ss- ssa sse ssf sss ssw swa swe swf sws waa wae waf was waw wea wee wef wes wew wfa wfe wff wfs wfw wsa wse wsf wss wsw wwa wwe wwf www