a-ak a-ok aaaa aaaf aaas aafa aaff aaka aaoo aasa aasf aass aast aata aatf aatk aatt afaa afak afao afat affa affo affs afft afka afoa afoo afsa afst afta afts akaa akao akas akka akko akok akos akot aksa akst aoks aoss aotf asaa asaf asak asao asas asat asfa aska asko asks askt asof asok asos asot assa assk asso asss asst asta asto asts at-t ataa atak atas atat atfs atka atkt atof atok atos atot atst atta atto atts f--k faaa faas fafa faff fafo fako fakt fasa faso fass fast fata fatf fato fats fatt ffff ffsa ffss fftf foaf foak fofo foof fook foos foot fosa foso foss fost fota foto fots fott fsas fsfo fssa fssf fsta ftos ftsa k-os kaaa kaaf kaak kaas kaat kafa kaff kafs kaka kakk kako kaks kakt kaoa kaok kaos kas- kasa kasf kask kaso kass kast kat- kata katf katk kato kats katt kfat kffa kfff kffk kfka kfok kfoo kfsa kfsk kfst kfta kftk kftt kkaa kkat kkfs kkft kkkk kkoa kkoo kkot kksa kksf kkss kkst kktk kkts koak koas kofa koff kofk kofo koft koka kokf kokk koko koks kook kooo koos koot kos- kosa kosf koso koss kost kota kotk koto kots kott ksaf ksak ksas ksat ksfa ksfo ksft kska kskf kskk ksko ksks ksof ksok ksoo ksos kssa ksso ksss ksst ksta kstk ksto ksts kstt ktaa ktak ktao ktas ktat ktfo ktfs ktkk ktko ktks ktkt ktok ktoo ktot ktsa ktsf ktso ktst kttf kttk ktto ktts kttt oafo oafs oaks oass oast oats ofas off- offa offo offs ofst ofta okak okas okka okko okok okot oksa okso okta okto ooaa ooak ooff oofs oooo ooos oosa oost oots osaf osak osas osat osfa osoo osos ossa osso osta osts otak otas oto- otof otok otoo otos otsa otso otta otto otts s-os saaf saak saas saat safa saff safo saft saka sakk sako saks saos sasa sasf sask saso sass sast sata sato sats satt sfas sfos sfss sfts skaf skat skot skss soak soas soat sofa sofo soft soka sokk soko soof sook soos soot sosa soso soss sost sota sotk soto sots ssaa ssao ssas ssat ssot sssa sssf ssss ssta ssts stak stas stat stks stoa stof stok stoo stos stot stsf stss taa- taaf taas taat tafa taff tafo taft taka takk tako taks takt taoa taos tasa task tass tast tata tato tats tatt tfot tfss tkof tkos tkts toas toat tofa toff tofo toft toka toko tooa toof took toos toot tosa tosk toso toss tost tota toto tots tott tsaa tsao tsat tsks tsos tssa tssf tsst tsts ttfa ttff ttss tttt