-al -ol a-a a-c aaa aac aak aal aao aap aar ac- aca acc ack acl aco acp acr aka akc akk akl ako akp akr al- ala alc alk all alo alp alr aoa aoc aok aol aoo aop aor ap- apa apc apk apl apo app apr ar- ara arc ark arl aro arp arr c-- caa cac cak cal cao cap car cca ccc cck ccl cco ccp ccr cka ckc cko cl- cla clc clk cll clo clp clr co- coa coc cok col coo cop cor cpa cpc cpk cpl cpo cpp cpr cra crc crk crl cro crp crr ka- kaa kac kak kal kao kap kar kca kcc kck kcl kcp kcr kkc kkk kkl kkp kkr kl- kla klc klo klr koa koc kok kol koo kop kor kpa kpc kpk kpl kpo kpp kpr kra krc krk krl kro krp krr l-p la- laa lac lak lal lao lap lar lca lcc lck lcl lco lcp lcr lka lkl lkp lkr lla llc llk lll llo llp llr loa loc lok lol loo lop lor lpa lpc lpk lpl lpo lpp lpr lra lrc lrk lro lrp lrr oaa oac oak oal oao oap oar oc- oca occ ock ocl oco ocp ocr oka okc okk okl oko okp okr ola olc olk oll olo olp oo- ooa ooc ook ool ooo oop oor op- opa opc opk opl opo opp opr or- ora orc ork orl oro orp orr p-p paa pac pak pal pao pap par pca pcc pck pcl pco pcp pcr pka pkc pkl pko pkp pkr pla plc plk pll plo plp plr poa poc pok pol poo pop por ppa ppc ppk ppl ppo ppp ppr pra prc prk prl pro prp prr ra- raa rac rak ral rao rap rar rca rcc rcl rco rcp rcr rkc rkk rko rkp rla rlc rll rlo rlp rlr roa roc rok rol roo rop ror rpa rpc rpk rpl rpo rpp rpr rra rrc rrk rrl rrp rrr