-al -ol a-a a-t aaa aal aao aar aas aat aax al- ala all alo alr als alt alx aoa aol aoo aor aos aot aox ar- ara arl aro arr ars art arx as- asa asl aso asr ass ast asx at- ata atl ato atr ats att atx ax- axa axl axo axr axs axt axx la- laa lal lao lar las lat lax lla lll llo llr lls llt loa lol loo lor los lot lox lra lro lrr lrs lrt lsa lsl lso lsr lss lst lta ltl lto ltr lts ltt ltx lxo lxr lxx oaa oal oao oar oas oat oax ola oll olo ols olt oo- ooa ool ooo oor oos oot oox or- ora orl oro orr ors ort orx os- osa osl oso osr oss ost osx ot- ota otl oto otr ots ott ox- oxa oxo oxt oxx ra- raa ral rao rar ras rat rax rla rll rlo rlr rls rlt roa rol roo ror ros rot rox rra rrl rrr rrs rrt rsa rsl rso rsr rss rst rsx rta rtl rto rtr rts rtt rtx rxr rxs saa sal sao sar sas sat sax sla sll slo slr sls slt slx soa sol soo sor sos sot sox sr- sra srl sro srr srs srt srx ss- ssa ssl sso ssr sss sst ssx sta stl sto str sts stt stx sxl sxs sxt t-x taa tal tao tar tas tat tax tla tll tlo tlr tls tlt tlx to- toa tol too tor tos tot tox tra trl tro trr trs trt trx tsa tsl tso tsr tss tst tsx tta ttl tto ttr tts ttt ttx txl txs txt xaa xal xar xas xat xla xlr xls xlt xoa xoo xor xos xot xox xrt xrx xsa xsl xss xst xtr xts xtx xxl xxo xxx