[ ] permutation defect
With this board:
	d,b,k,g,i,u,e,h,i,h,b,r,e,t,s,r
Algorithm finds invalid combinations:
	did
	dud
	
	p,l,h,y,d,a,o,n,e,v,o,i,e,r,c,e
	palp, pap
	
	
Boggle Filter List:
AFLAJ, CAFILA, CALID, CALIVER, CALP, DAAL, DALET, DALI, DIF, EDITE, ELA, FALA, FALAJ, FIDE, FLIR, IDE, LAA, LEIR, LER, LERP, ODA, ODAL, PRE, PREIF, PREIFE, PREV, PRIAL, RIVEL, TEIL, TID, VID, VIFDA, VIRE, VITE
ARSED, DEEV, DEEVS, DORA, DORSE, DORSES, DOVED, DSO, DSOS, EVET, EVETS, EVOE, EVOES, KET, KETS, KORA, KORAS, KOSES, KYE, KYES, RODED, RODES, ROED, ROK, ROKE, ROKES, ROKS, ROKY, SAR, SARS, SED, SEDES, SEKOS, SEKOSES, SESE, SESEY, SEY, SOE, SOV, SOVS, SYE, TES, UDS, UTE, UTES, VEDUTE, VOAR, VOARS, YEST


Wordspla:
seitan,aseity,fini,inti,sant,sena,fies,san,nas,ans,tai
zos,oys,piso