-al -ol a-a a-c aaa aac aaf aak aal aan aao aap aar ac- aca acc acf ack acl acn aco acp acr af- afa afc aff afk afl afn afo afp afr aka akc akk akl akn ako akp akr al- ala alc alf alk all aln alo alp alr an- ana anc anf ank anl ann ano anp anr aoa aoc aof aok aol aon aoo aop aor ap- apa apc apf apk apl apn apo app apr ar- ara arc arf ark arl arn aro arp arr c-- caa cac caf cak cal can cao cap car cca ccc ccf cck ccl ccn cco ccp ccr cfa cfc cff cfk cfl cfn cfo cfp cfr cka ckc cko cl- cla clc clf clk cll cln clo clp clr cn- cna cnc cnf cnl cnn cno cnp cnr co- coa coc cof cok col con coo cop cor cpa cpc cpf cpk cpl cpn cpo cpp cpr cra crc crf crk crl crn cro crp crr faa fac faf fak fal fan fao fap far fca fcc fcf fck fcl fcn fco fcp fcr ffa ffc fff ffk ffl ffn ffo ffp ffr fka fkc fkf fkk fkl fkp fla flc flf fll fln flo flp flr fna fnc fnf fnk fnl fnn fnp fnr foa foc fof fok fol fon foo fop for fpa fpc fpk fpl fpn fpo fpp fpr fra frc frf frk frl frn fro frp frr ka- kaa kac kaf kak kal kan kao kap kar kca kcc kck kcl kcn kcp kcr kfa kfc kff kfo kkc kkk kkl kkn kkp kkr kl- kla klc klf klo klr kn- kna knc knf knk knl knn kno knp knr koa koc kof kok kol kon koo kop kor kpa kpc kpf kpk kpl kpn kpo kpp kpr kra krc krf krk krl krn kro krp krr l-p la- laa lac laf lak lal lan lao lap lar lca lcc lcf lck lcl lcn lco lcp lcr lfa lfc lff lfk lfl lfn lfo lfp lfr lka lkl lkp lkr lla llc llf llk lll lln llo llp llr lna lnc lnk lnl lnn lno lnp lnr loa loc lof lok lol lon loo lop lor lpa lpc lpf lpk lpl lpn lpo lpp lpr lra lrc lrf lrk lrn lro lrp lrr naa nac naf nak nal nan nao nap nar nca ncc ncf nck ncl ncn nco ncp ncr nfa nfc nff nfk nfl nfn nfo nfp nfr nka nkc nkf nkk nkn nko nkp nkr nla nlc nlf nlk nll nln nlo nlp nlr nna nnc nnf nnk nnl nnn nno nnp no- noa noc nof nok nol non noo nop nor npa npc npf npl npn npo npp npr nra nrc nrf nrk nrl nrn nro nrp nrr oaa oac oaf oak oal oan oao oap oar oc- oca occ ocf ock ocl ocn oco ocp ocr of- ofa ofc off ofl ofn ofo ofp ofr oka okc okk okl oko okp okr ola olc olf olk oll oln olo olp on- ona onc onf onk onl onn ono onp onr oo- ooa ooc oof ook ool oon ooo oop oor op- opa opc opf opk opl opn opo opp opr or- ora orc orf ork orl orn oro orp orr p-p paa pac paf pak pal pan pao pap par pca pcc pcf pck pcl pcn pco pcp pcr pfa pfc pff pfk pfl pfn pfo pfp pfr pka pkc pkf pkl pkn pko pkp pkr pla plc plf plk pll pln plo plp plr pn- pna pnc pnf pnk pnl pnn pno pnp pnr poa poc pof pok pol pon poo pop por ppa ppc ppf ppk ppl ppn ppo ppp ppr pra prc prf prk prl prn pro prp prr ra- raa rac raf rak ral ran rao rap rar rca rcc rcf rcl rcn rco rcp rcr rfa rfc rff rfk rfl rfn rfo rfp rfr rkc rkf rkk rko rkp rla rlc rlf rll rln rlo rlp rlr rna rnc rnn rno rnp rnr roa roc rof rok rol ron roo rop ror rpa rpc rpf rpk rpl rpn rpo rpp rpr rra rrc rrf rrk rrl rrn rrp rrr