-al -ol a-a a-t aaa aal aao aar aat aau aax al- ala all alo alr alt alu alx aoa aol aoo aor aot aou aox ar- ara arl aro arr art aru arx at- ata atl ato atr att atu atx au- aua aul auo aur aut aux ax- axa axl axo axr axt axx la- laa lal lao lar lat lau lax lla lll llo llr llt llu loa lol loo lor lot lou lox lra lro lrr lrt lru lta ltl lto ltr ltt ltu ltx lua lul luo lur lut luu lux lxo lxr lxx oaa oal oao oar oat oau oax ola oll olo olt olu oo- ooa ool ooo oor oot oox or- ora orl oro orr ort oru orx ot- ota otl oto otr ott otu ou- oua oul ouo our out ox- oxa oxo oxt oxx ra- raa ral rao rar rat rau rax rla rll rlo rlr rlt rlu roa rol roo ror rot rou rox rra rrl rrr rrt rru rta rtl rto rtr rtt rtu rtx rua ruo rur rut ruu rux rxr t-x taa tal tao tar tat tau tax tla tll tlo tlr tlt tlu tlx to- toa tol too tor tot tou tox tra trl tro trr trt tru trx tta ttl tto ttr ttt ttu ttx tua tul tuo tur tut tuu tux txl txt txu ua- uaa ual uao uar uat uau ula ull ulo ulr ult ulu uoa uol uoo uor uot uox ur- ura url uro urr urt uru urx uta utl uto utr utt utu utx uua uur uut uuu uxo uxr uxt uxu xaa xal xar xat xau xla xlr xlt xoa xoo xor xot xox xrt xrx xtr xtx xul xxl xxo xxx