-al -ol a-a a-c aaa aac aad aal aan aao aar ac- aca acc acd acl acn aco acr ad- ada adc add adl adn ado adr al- ala alc ald all aln alo alr an- ana anc and anl ann ano anr aoa aoc aod aol aon aoo aor ar- ara arc ard arl arn aro arr c-- caa cac cad cal can cao car cca ccc ccd ccl ccn cco ccr cda cdc cdd cdl cdn cdo cdr cl- cla clc cld cll cln clo clr cn- cna cnc cnd cnl cnn cno cnr co- coa coc cod col con coo cor cra crc crd crl crn cro crr daa dac dad dal dan dao dar dca dcc dcd dcl dcn dco dcr dda ddc ddd ddl ddn ddo ddr dl- dla dlc dld dll dlo dlr dna dnc dnd dnl dnn dno dnr doa doc dod dol don doo dor dra drc drd drl drn dro drr la- laa lac lad lal lan lao lar lca lcc lcd lcl lcn lco lcr lda ldc ldd ldl ldn ldo ldr lla llc lld lll lln llo llr lna lnc lnd lnl lnn lno lnr loa loc lod lol lon loo lor lra lrc lrd lrn lro lrr naa nac nad nal nan nao nar nca ncc ncd ncl ncn nco ncr nda ndc ndd ndl ndn ndo ndr nla nlc nld nll nln nlo nlr nna nnc nnl nnn nno no- noa noc nod nol non noo nor nra nrc nrd nrl nrn nro nrr oaa oac oad oal oan oao oar oc- oca occ ocd ocl ocn oco ocr oda odc odd odl odn odo odr ola olc old oll oln olo on- ona onc ond onl onn ono onr oo- ooa ooc ood ool oon ooo oor or- ora orc ord orl orn oro orr ra- raa rac rad ral ran rao rar rca rcc rcd rcl rcn rco rcr rda rdc rdd rdl rdn rdo rdr rla rlc rld rll rln rlo rlr rna rnc rnd rnn rno rnr roa roc rod rol ron roo ror rra rrc rrd rrl rrn rrr