a-ak a-ok aaaa aaaf aaap aaas aafa aaff aaka aaoo aapa aapo aaps aasa aasf aass afaa afak afao afap affa affo affs afka afoa afoo afpa afsa afsp akaa akao akap akas akka akko akok akos akpo aksa aokp aoks aopo aosp aoss apak apao apap apas apfa apfo apo- apof apoo apop apos appa apps apsa apso apss asaa asaf asak asao asap asas asfa aska asko asks asof asok asop asos aspa aspo asps assa assk asso assp asss f--k faaa faap faas fafa faff fafo fako fapa fapp faps fasa faso fass ffff ffps ffsa ffss foaf foak fofo foof fook foos fopp fops fosa foso foss fpaa fpas fsas fsfo fspf fssa fssf fssp k-os kaaa kaaf kaak kaap kaas kafa kaff kafp kafs kaka kakk kako kaks kaoa kaok kaos kap- kapa kapf kapo kapp kaps kas- kasa kasf kask kaso kasp kass kffa kfff kffk kfka kfok kfoo kfsa kfsk kfsp kkaa kkap kkfs kkkk kkoa kkoo kkpk kkps kksa kksf kksp kkss koak koap koas kofa koff kofk kofo kofp koka kokf kokk koko kokp koks kook kooo koop koos kopa kopf kopp kops kos- kosa kosf koso kosp koss kpak kpao kpas kpfa kpfk kpkk kpoa kpof kpok kpoo kpop kppk kppo kppp kpsf kpso kpsp ksaf ksak ksas ksfa ksfo kska kskf kskk ksko ksks ksof ksok ksoo ksop ksos kspa kspk kspo ksps kssa ksso ksss oafo oafs oaks oaps oass ofas off- offa offo offs okak okap okas okka okko okok okpo oksa okso ooaa ooak ooff oofs oooo ooos oops oosa opap opo- opos oppa oppo opps opsa osaf osak osap osas osfa osoo osos ossa osso paak paap paas pafa paff paka pako paks paos papa papp paps pasa pask paso pasp pass pfaa pfas pfff pfkp pfps poak poas poff poka poko poof pook poop poos pop- popa popo popp pops posa posk poso poss ppap ppfa ppoa ppos pppa pppo pppp ppps ppsf ppss psap psas psfk psfs psoa psos pspp psps pssa psso s-os saaf saak saap saas safa saff safo saka sakk sako saks saos sapa sapo sapp saps sasa sasf sask saso sass sfas sfos sfpa sfss skaf skap skop skpo skss soak soap soas sofa sofo soka sokk soko soof sook soop soos sopa sopo sopp sops sosa soso soss sp-a spak spap spas spfs spok spoo spop spos sppf spps spsa spso spsp spss ssaa ssao ssap ssas ssfp ssop sspa sspf sspo ssps sssa sssf ssss