-al -ic -ol a-a a-c a-i aaa aac aai aal aao aar aas aax ac- aca acc aci acl aco acr acs acx ai- aia aic aii ail aio air ais aix al- ala alc ali all alo alr als alx aoa aoc aoi aol aoo aor aos aox ar- ara arc ari arl aro arr ars arx as- asa asc asi asl aso asr ass asx ax- axa axi axl axo axr axs axx c-- caa cac cai cal cao car cas cax cca ccc cci ccl cco ccr ccs ccx ci- cia cic cii cil cio cir cis cix cl- cla clc cli cll clo clr cls clx co- coa coc coi col coo cor cos cox cra crc cri crl cro crr crs crx csa csc csi csl cso csr css csx cxc cxi cxl cxo cxr cxs cxx ia- iaa iac iai ial iao iar ias ica icc ici icl ico icr ics iia iic iii iil iio iir iis iix il- ila ilc ili ill ilo ilr ils ilx io- ioa ioc ioi iol ioo ior ios ir- ira irc iri irl iro irr irs irx is- isa isc isi isl iso isr iss ixc ixi ixl la- laa lac lai lal lao lar las lax lca lcc lci lcl lco lcr lcs lcx lia lic lii lil lio lir lis lix lla llc lli lll llo llr lls loa loc loi lol loo lor los lox lra lrc lri lro lrr lrs lsa lsc lsi lsl lso lsr lss lxc lxi lxo lxr lxx o-i oaa oac oai oal oao oar oas oax oc- oca occ oci ocl oco ocr ocs ocx oia oic oii oil oio oir ois ola olc oli oll olo ols oo- ooa ooc ooi ool ooo oor oos oox or- ora orc ori orl oro orr ors orx os- osa osc osi osl oso osr oss osx ox- oxa oxc oxi oxo oxx ra- raa rac rai ral rao rar ras rax rca rcc rci rcl rco rcr rcs rcx ria ric rii ril rio rir ris rix rla rlc rli rll rlo rlr rls roa roc roi rol roo ror ros rox rra rrc rri rrl rrr rrs rsa rsc rsi rsl rso rsr rss rsx rxr rxs saa sac sai sal sao sar sas sax sca scc sci scl sco scr scs scx sia sic sii sil sio sir sis six sla slc sli sll slo slr sls slx soa soc soi sol soo sor sos sox sr- sra src sri srl sro srr srs srx ss- ssa ssc ssi ssl sso ssr sss ssx sxc sxi sxl sxs xaa xac xal xar xas xci xcl xcr xcx xia xic xii xio xis xix xla xli xlr xls xoa xoc xoi xoo xor xos xox xrc xrx xsa xsc xsi xsl xss xxi xxl xxo xxx