-th a-a a-t aaa aah aao aar aat aax aay aha ahh aho ahr aht ahx ahy aoa aoh aoo aor aot aox ar- ara arh aro arr art arx ary at- ata ath ato atr att atx ax- axa axh axo axr axt axx ay- aya ayh ayo ayr ayt ayx haa hah hao har hat hax hay hha hhh hho hhr hht hhy hoa hoh hoo hor hot hox hoy hr- hra hrh hro hrr hrt hta hth hto htr htt htx hty hy- hya hyh hyo hyr hyt hyy oaa oah oao oar oat oax oha ohh oho ohr oht oo- ooa ooh ooo oor oot oox or- ora orh oro orr ort orx ory ot- ota oth oto otr ott ox- oxa oxo oxt oxx oxy oya oyo ra- raa rah rao rar rat rax ray rh- rha rhh rho rhr rht roa roh roo ror rot rox roy rra rrh rrr rrt rta rto rtr rtt rtx rty rxr ry- rya ryo ryr ryy t-x taa tah tao tar tat tax tay th- tha thh tho thr tht thx thy to- toa toh too tor tot tox toy tra trh tro trr trt trx try tta tth tto ttr ttt ttx tty txt tya tyo tyr tyt xaa xar xat xht xoa xoo xor xot xox xrt xrx xry xtr xtx xty xxo xxx xxy xyr xyy yaa yah yao yar yat yax yay yha yht yoo yor yot yox yoy yra yro yrt yta yth yto ytr ytt yxa yxy yyt yyy