-th a-a a-i a-t aaa aah aai aar aat aax aha ahh ahi ahr aht ahx ai- aia aih aii air ait aix ar- ara arh ari arr art arx at- ata ath ati atr att atx ax- axa axh axi axr axt axx h-i haa hah hai har hat hax hha hhh hhi hhr hht hia hih hii hir hit hix hr- hra hrh hri hrr hrt hta hth hti htr htt htx ia- iaa iah iai iar iat iha ihh ihi ihr iht iia iih iii iir iit iix ir- ira iri irr irt irx ita ith iti itt itx ixi ra- raa rah rai rar rat rax rh- rha rhh rhi rhr rht ria rih rii rir rit rix rra rrh rri rrr rrt rta rti rtr rtt rtx rxr t-x taa tah tai tar tat tax th- tha thh thi thr tht thx tia tih tii tir tit tix tra trh tri trr trt trx tta tth tti ttr ttt ttx txi txt xaa xar xat xht xia xii xit xix xrt xrx xti xtr xtx xxi xxx