-th a-a a-t aaa aad aah aan aat ad- ada add adh adn adt aha ahd ahh ahn aht an- ana and anh ann ant at- ata atd ath atn att daa dad dah dan dat dda ddd ddh ddn ddt dh- dha dhd dhh dht dna dnd dnh dnn dnt dta dtd dth dtn dtt haa had hah han hat hda hdd hdh hdn hdt hha hhd hhh hhn hht hna hnd hnh hnn hnt hta htd hth htn htt naa nad nah nan nat nda ndd ndh ndn ndt nha nhd nhh nhn nht nna nnh nnn nnt nta ntd nth ntn ntt taa tad tah tan tat tda tdd tdh tdn tdt th- tha thd thh thn tht tna tnd tnh tnn tnt tta ttd tth ttn ttt