-al -ol -th a-a a-t aaa aah aal aao aar aat aax aha ahh ahl aho ahr aht ahx al- ala alh all alo alr alt alx aoa aoh aol aoo aor aot aox ar- ara arh arl aro arr art arx at- ata ath atl ato atr att atx ax- axa axh axl axo axr axt axx haa hah hal hao har hat hax hha hhh hhl hho hhr hht hla hlh hll hlo hlr hlt hlx hoa hoh hol hoo hor hot hox hr- hra hrh hrl hro hrr hrt hta hth htl hto htr htt htx hxl la- laa lah lal lao lar lat lax lha lhh lho lhr lht lhx lla lll llo llr llt loa loh lol loo lor lot lox lra lrh lro lrr lrt lta lth ltl lto ltr ltt ltx lxo lxr lxx oaa oah oal oao oar oat oax oha ohh ohl oho ohr oht ola oll olo olt oo- ooa ooh ool ooo oor oot oox or- ora orh orl oro orr ort orx ot- ota oth otl oto otr ott ox- oxa oxo oxt oxx ra- raa rah ral rao rar rat rax rh- rha rhh rhl rho rhr rht rla rlh rll rlo rlr rlt roa roh rol roo ror rot rox rra rrh rrl rrr rrt rta rtl rto rtr rtt rtx rxr t-x taa tah tal tao tar tat tax th- tha thh thl tho thr tht thx tla tlh tll tlo tlr tlt tlx to- toa toh tol too tor tot tox tra trh trl tro trr trt trx tta tth ttl tto ttr ttt ttx txl txt xaa xal xar xat xht xla xlr xlt xoa xoo xor xot xox xrt xrx xtr xtx xxl xxo xxx