-al -ol a-a a-c aaa aac aal aao aar ac- aca acc acl aco acr al- ala alc all alo alr aoa aoc aol aoo aor ar- ara arc arl aro arr c-- caa cac cal cao car cca ccc ccl cco ccr cl- cla clc cll clo clr co- coa coc col coo cor cra crc crl cro crr la- laa lac lal lao lar lca lcc lcl lco lcr lla llc lll llo llr loa loc lol loo lor lra lrc lro lrr oaa oac oal oao oar oc- oca occ ocl oco ocr ola olc oll olo oo- ooa ooc ool ooo oor or- ora orc orl oro orr ra- raa rac ral rao rar rca rcc rcl rco rcr rla rlc rll rlo rlr roa roc rol roo ror rra rrc rrl rrr