a-a aaa aae aaf aak aas aaw aea aee aef aek aes aew af- afa afe aff afk afs afw aka ake akk aks akw as- asa ase asf ask ass asw aw- awa awe awf awk aws aww eaa eae eaf eak eas eaw eea eee eef eek ees eew ef- efa efe eff efs efw eka eke ekf eks es- esa ese esf esk ess esw ewa ewe ewf ewk ews eww faa fae faf fak fas faw fea fee fef fek fes few ffa ffe fff ffk ffs ffw fka fkf fkk fsa fse fsf fsk fss fsw fwa fwe fwf fws ka- kaa kae kaf kak kas kaw ke- kea kee kef kek kes kew kfa kff kfs kfw kke kkk kks ksa kse ksf ksk kss ksw kw- kwa kwf kwk kws kww saa sae saf sak sas saw se- sea see sef sek ses sew sfa sfe sff sfk sfs sfw sk- ska ske skf skk sks skw ss- ssa sse ssf ssk sss ssw swa swe swf swk sws waa wae waf wak was waw wea wee wef wek wes wew wfa wfe wff wfk wfs wfw wka wke wkf wks wkw wsa wse wsf wsk wss wsw wwa wwe wwf www