-al -ol a-a a-c aaa aac aad aal aao aar aas ac- aca acc acd acl aco acr acs ad- ada adc add adl ado adr ads al- ala alc ald all alo alr als aoa aoc aod aol aoo aor aos ar- ara arc ard arl aro arr ars as- asa asc asd asl aso asr ass c-- caa cac cad cal cao car cas cca ccc ccd ccl cco ccr ccs cda cdc cdd cdl cdo cdr cds cl- cla clc cld cll clo clr cls co- coa coc cod col coo cor cos cra crc crd crl cro crr crs csa csc csd csl cso csr css daa dac dad dal dao dar das dca dcc dcd dcl dco dcr dcs dda ddc ddd ddl ddo ddr dds dl- dla dlc dld dll dlo dlr dls doa doc dod dol doo dor dos dra drc drd drl dro drr drs dsa dsc dsd dsl dso dsr dss la- laa lac lad lal lao lar las lca lcc lcd lcl lco lcr lcs lda ldc ldd ldl ldo ldr lds lla llc lld lll llo llr lls loa loc lod lol loo lor los lra lrc lrd lro lrr lrs lsa lsc lsd lsl lso lsr lss oaa oac oad oal oao oar oas oc- oca occ ocd ocl oco ocr ocs oda odc odd odl odo odr ods ola olc old oll olo ols oo- ooa ooc ood ool ooo oor oos or- ora orc ord orl oro orr ors os- osa osc osd osl oso osr oss ra- raa rac rad ral rao rar ras rca rcc rcd rcl rco rcr rcs rda rdc rdd rdl rdo rdr rds rla rlc rld rll rlo rlr rls roa roc rod rol roo ror ros rra rrc rrd rrl rrr rrs rsa rsc rsd rsl rso rsr rss saa sac sad sal sao sar sas sca scc scd scl sco scr scs sda sdc sdd sdl sdo sdr sds sla slc sld sll slo slr sls soa soc sod sol soo sor sos sr- sra src srd srl sro srr srs ss- ssa ssc ssd ssl sso ssr sss