-ana a-ak aaaa aaaf aaan aaas aafa aaff aaka aana aasa aasf aass afaa afak afan affa affs afka afsa akaa akan akas akka akna aksa ana- anaa anak anan anas anfa ank- anka anna anns ansa ansf asaa asaf asak asan asas asfa aska asks assa assk assn asss f--k faaa faan faas fafa faff fana fank fans fasa fasn fass ffff ffsa ffss fsas fssa fssf kaaa kaaf kaak kaan kaas kafa kaff kafn kafs kaka kakk kakn kaks kana kanf kann kans kas- kasa kasf kask kasn kass kfan kffa kfff kffk kffn kfka kfna kfnf kfnk kfnn kfns kfsa kfsk kkaa kkan kkfn kkfs kkkk kknn kkns kksa kksf kksn kkss knaa knaf knan knas knfa knkk knnk knns knsa knsk knsn knss ksaf ksak ksan ksas ksfa ksfn kska kskf kskk kskn ksks ksna ksnf ksnk ksnn ksns kssa kssn ksss naaa naan naas nafa naff nafs naka naks nan- nana nann nans nas- nasa nasf nask nass nfaa nfas nfff nnnn nnsa nnss nsaa nsfk nsfs nskk nsna nssa nssf nsss saaf saak saan saas safa saff saka sakk saks sana sank sann sans sasa sasf sask sass sfas sfss skaf skan skn- skss snak snas snns ssaa ssan ssas ssns sssa sssf ssss