-al -ol a-a a-c aaa aac aah aak aal aao aar ac- aca acc ach ack acl aco acr aha ahc ahh ahk ahl aho ahr aka akc akh akk akl ako akr al- ala alc alh alk all alo alr aoa aoc aoh aok aol aoo aor ar- ara arc arh ark arl aro arr c-- caa cac cah cak cal cao car cca ccc cch cck ccl cco ccr ch- cha chc chh chk chl cho chr cka ckc ckh cko cl- cla clc clh clk cll clo clr co- coa coc coh cok col coo cor cra crc crh crk crl cro crr haa hac hah hak hal hao har hca hcc hch hck hcl hco hcr hha hhc hhh hhk hhl hho hhr hka hkh hkk hkl hko hkr hla hlc hlh hll hlo hlr hoa hoc hoh hok hol hoo hor hr- hra hrc hrh hrk hrl hro hrr ka- kaa kac kah kak kal kao kar kca kcc kch kck kcl kcr kha khh khk kho khr kkc kkh kkk kkl kkr kl- kla klc klh klo klr koa koc koh kok kol koo kor kra krc krk krl kro krr la- laa lac lah lak lal lao lar lca lcc lch lck lcl lco lcr lha lhc lhh lhk lho lhr lka lkh lkl lkr lla llc llk lll llo llr loa loc loh lok lol loo lor lra lrc lrh lrk lro lrr oaa oac oah oak oal oao oar oc- oca occ och ock ocl oco ocr oha ohc ohh ohl oho ohr oka okc okk okl oko okr ola olc olk oll olo oo- ooa ooc ooh ook ool ooo oor or- ora orc orh ork orl oro orr ra- raa rac rah rak ral rao rar rca rcc rch rcl rco rcr rh- rha rhc rhh rhl rho rhr rkc rkk rko rla rlc rlh rll rlo rlr roa roc roh rok rol roo ror rra rrc rrh rrk rrl rrr