-al -ol a-a a-c aaa aac aaf aak aal aao aap aar ac- aca acc acf ack acl aco acp acr af- afa afc aff afk afl afo afp afr aka akc akk akl ako akp akr al- ala alc alf alk all alo alp alr aoa aoc aof aok aol aoo aop aor ap- apa apc apf apk apl apo app apr ar- ara arc arf ark arl aro arp arr c-- caa cac caf cak cal cao cap car cca ccc ccf cck ccl cco ccp ccr cfa cfc cff cfk cfl cfo cfp cfr cka ckc cko cl- cla clc clf clk cll clo clp clr co- coa coc cof cok col coo cop cor cpa cpc cpf cpk cpl cpo cpp cpr cra crc crf crk crl cro crp crr faa fac faf fak fal fao fap far fca fcc fcf fck fcl fco fcp fcr ffa ffc fff ffk ffl ffo ffp ffr fka fkc fkf fkk fkl fkp fla flc flf fll flo flp flr foa foc fof fok fol foo fop for fpa fpc fpk fpl fpo fpp fpr fra frc frf frk frl fro frp frr ka- kaa kac kaf kak kal kao kap kar kca kcc kck kcl kcp kcr kfa kfc kff kfo kkc kkk kkl kkp kkr kl- kla klc klf klo klr koa koc kof kok kol koo kop kor kpa kpc kpf kpk kpl kpo kpp kpr kra krc krf krk krl kro krp krr l-p la- laa lac laf lak lal lao lap lar lca lcc lcf lck lcl lco lcp lcr lfa lfc lff lfk lfl lfo lfp lfr lka lkl lkp lkr lla llc llf llk lll llo llp llr loa loc lof lok lol loo lop lor lpa lpc lpf lpk lpl lpo lpp lpr lra lrc lrf lrk lro lrp lrr oaa oac oaf oak oal oao oap oar oc- oca occ ocf ock ocl oco ocp ocr of- ofa ofc off ofl ofo ofp ofr oka okc okk okl oko okp okr ola olc olf olk oll olo olp oo- ooa ooc oof ook ool ooo oop oor op- opa opc opf opk opl opo opp opr or- ora orc orf ork orl oro orp orr p-p paa pac paf pak pal pao pap par pca pcc pcf pck pcl pco pcp pcr pfa pfc pff pfk pfl pfo pfp pfr pka pkc pkf pkl pko pkp pkr pla plc plf plk pll plo plp plr poa poc pof pok pol poo pop por ppa ppc ppf ppk ppl ppo ppp ppr pra prc prf prk prl pro prp prr ra- raa rac raf rak ral rao rap rar rca rcc rcf rcl rco rcp rcr rfa rfc rff rfk rfl rfo rfp rfr rkc rkf rkk rko rkp rla rlc rlf rll rlo rlp rlr roa roc rof rok rol roo rop ror rpa rpc rpf rpk rpl rpo rpp rpr rra rrc rrf rrk rrl rrp rrr