-al -ol a-a a-c aaa aac aad aah aal aao aar ac- aca acc acd ach acl aco acr ad- ada adc add adh adl ado adr aha ahc ahd ahh ahl aho ahr al- ala alc ald alh all alo alr aoa aoc aod aoh aol aoo aor ar- ara arc ard arh arl aro arr c-- caa cac cad cah cal cao car cca ccc ccd cch ccl cco ccr cda cdc cdd cdh cdl cdo cdr ch- cha chc chd chh chl cho chr cl- cla clc cld clh cll clo clr co- coa coc cod coh col coo cor cra crc crd crh crl cro crr daa dac dad dah dal dao dar dca dcc dcd dcl dco dcr dda ddc ddd ddh ddl ddo ddr dh- dha dhc dhd dhh dhl dho dhr dl- dla dlc dld dlh dll dlo dlr doa doc dod doh dol doo dor dra drc drd drl dro drr haa hac had hah hal hao har hca hcc hcd hch hcl hco hcr hda hdc hdd hdh hdl hdo hdr hha hhc hhd hhh hhl hho hhr hla hlc hld hlh hll hlo hlr hoa hoc hod hoh hol hoo hor hr- hra hrc hrd hrh hrl hro hrr la- laa lac lad lah lal lao lar lca lcc lcd lch lcl lco lcr lda ldc ldd ldh ldl ldo ldr lha lhc lhd lhh lho lhr lla llc lld lll llo llr loa loc lod loh lol loo lor lra lrc lrd lrh lro lrr oaa oac oad oah oal oao oar oc- oca occ ocd och ocl oco ocr oda odc odd odh odl odo odr oha ohc ohd ohh ohl oho ohr ola olc old oll olo oo- ooa ooc ood ooh ool ooo oor or- ora orc ord orh orl oro orr ra- raa rac rad rah ral rao rar rca rcc rcd rch rcl rco rcr rda rdc rdd rdh rdl rdo rdr rh- rha rhc rhd rhh rhl rho rhr rla rlc rld rlh rll rlo rlr roa roc rod roh rol roo ror rra rrc rrd rrh rrl rrr