MetaFilter user JannaK's grandmother passed away in 1994 from brain cancer. In the weeks before she died, although she didn't speak, she wrote index cards with mysterious sequences of letters on them.
For two decades, the family have been in the dark about what these letters could mean.
So yesterday, JannaK decided to see if Ask MetaFilter could help unravel the mystery. Here's an example sequence of letters:
PDGNHBOBVPNSNHANAOENCNANHPNCPND,NUOCPNNPNAPNMSMDKBMLPOWP,NAP,]NEENTGBTMLSHHSSSTMALHFFTMOFPANSTP,NIOOIPNTPNROANTRSANTOTTAPOD,PLUADONNOANPBOOLL,PKUASASIMAB,PAGA,]PMOMTAVMAJAMMSSSLLABAPMUTTCTCCATFGSHHILANRNPHTAOLP,]PSTWAAHASIOLAIOW,PSTWALOJTHTPATP,PSTWAGAOKWOCWASAPSTWADVGWAIIRARBOSAO,]PSTWAHPPAAETWW,PSTWAHTPMAESTCWE,]PSTAOUCOOTIOWHAMPAPSTTPDNHA,PSTWAAHAS,PAGA,PSTWAAIEHAPSTWARIEH,]PSTTPAIDNBTVJEOAOU,PAGA,]PSTTOUWWTLWATOUWSLWDSWGOBS,PSTWAHSAHVASASBTATWARHSFAOT,PSTWAHBPITNRSTNOTROUHTTBPM,]PSTVCADAFLAFESJMPLGBGBMBATROURSSASFOHP,]PSTWAGAVWWOA,PAGA]PSTEIFFAWAU.]TYAGFPFG,TYAGFLTMPAAT,TYAGFE,A-TYAGFE,AAA
And this is the back of the same card:
1) OFWAIHHBTNTKCTWBDOEAIIIHGUTDODBAFUOTAWFTWTAUALUNITBDUFEFTITKTPATGFAEA2) OFWAIHHBTNTKCTWBDOEAIIIHGUTDODBAFUOTAWFTWTAUALUNITBDUFEFTITKTPATGFAEA