a-ak a-ok aaaa aaaf aaas aafa aaff aaka aaoo aasa aasf aass afaa afak afao affa affo affs afgf afka afoa afog afoo afsa ag-o agag agao agas agfa agga agog agoo agos agsa agsg akaa akao akas akka akko akok akos aksa aoks aoss asaa asaf asag asak asao asas asfa aska asko asks asof asog asok asos assa assk asso asss f--k faaa faas fafa faff fafg fafo fagg fago fags fako fasa faso fass ffff ffsa ffss foaf foak fofo fogg fogo fogs foof fook foos fosa foso foss fsas fsfo fsgs fssa fssf gaas gafa gaff gaga gagg gago gags gaos gasa gask gaso gass gffa gfoa ggfg gggg ggss goaf goas goff goga gogo gogs goof goog gook goos goso goss gsos k-os kaaa kaaf kaag kaak kaas kafa kaff kafs kag- kaga kagg kago kags kaka kakk kako kaks kaoa kaog kaok kaos kas- kasa kasf kask kaso kass kffa kfff kffg kffk kfgo kfka kfog kfok kfoo kfsa kfsg kfsk kgaf kgak kgas kgfa kgff kgfk kgga kggf kggg kggo kgks kgos kgso kkaa kkag kkfg kkfs kkgo kkkk kkoa kkoo kksa kksf kkss koak koas kofa koff kofg kofk kofo koga kogg kogo koka kokf kokk koko koks koog kook kooo koos kos- kosa kosf kosg koso koss ksaf ksak ksas ksfa ksfo ksgf ksgg kska kskf kskg kskk ksko ksks ksof ksok ksoo ksos kssa ksso ksss oafo oafs oaks oass ofas off- offa offo offs ofgo ogoa ogog okak okas okgo okka okko okok oksa okso ooaa ooak ooff oofs oooo ooos oosa osaf osag osak osas osfa osoo osos ossa osso s-os saaf saag saak saas safa saff safo saga sagg sago sags saka sakk sako saks saos sasa sasf sask saso sass sfas sfog sfos sfss sgaa sggg sggs sgss skaf skag skog skss soak soas sofa sofo soga sogo sogs soka sokk soko soof soog sook soos sosa soso soss ssaa ssao ssas ssgs sssa sssf ssss