-al -ol a-a aaa aak aal aan aao aap aar aas aka akk akl akn ako akp akr aks al- ala alk all aln alo alp alr als an- ana ank anl ann ano anp anr ans aoa aok aol aon aoo aop aor aos ap- apa apk apl apn apo app apr aps ar- ara ark arl arn aro arp arr ars as- asa ask asl asn aso asp asr ass ka- kaa kak kal kan kao kap kar kas kkk kkl kkn kkp kkr kks kl- kla klo klr kls kn- kna knk knl knn kno knp knr koa kok kol kon koo kop kor kos kpa kpk kpl kpn kpo kpp kpr kps kra krk krl krn kro krp krr krs ksa ksk ksl ksn kso ksp ksr kss l-p la- laa lak lal lan lao lap lar las lka lkl lkp lkr lks lla llk lll lln llo llp llr lls lna lnk lnl lnn lno lnp lnr lns loa lok lol lon loo lop lor los lpa lpk lpl lpn lpo lpp lpr lps lra lrk lrn lro lrp lrr lrs lsa lsk lsl lsn lso lsp lsr lss naa nak nal nan nao nap nar nas nka nkk nkn nko nkp nkr nks nla nlk nll nln nlo nlp nlr nls nna nnk nnl nnn nno nnp nns no- noa nok nol non noo nop nor nos npa npl npn npo npp npr nps nra nrk nrl nrn nro nrp nrr nrs nsa nsk nsl nsn nso nsp nsr nss oaa oak oal oan oao oap oar oas oka okk okl oko okp okr oks ola olk oll oln olo olp ols on- ona onk onl onn ono onp onr ons oo- ooa ook ool oon ooo oop oor oos op- opa opk opl opn opo opp opr ops or- ora ork orl orn oro orp orr ors os- osa osk osl osn oso osp osr oss p-p paa pak pal pan pao pap par pas pka pkl pkn pko pkp pkr pks pla plk pll pln plo plp plr pls pn- pna pnk pnl pnn pno pnp pnr pns poa pok pol pon poo pop por pos ppa ppk ppl ppn ppo ppp ppr pps pra prk prl prn pro prp prr prs ps- psa psk psl psn pso psp psr pss ra- raa rak ral ran rao rap rar ras rkk rko rkp rks rla rll rln rlo rlp rlr rls rna rnn rno rnp rnr rns roa rok rol ron roo rop ror ros rpa rpk rpl rpn rpo rpp rpr rps rra rrk rrl rrn rrp rrr rrs rsa rsk rsl rsn rso rsp rsr rss saa sak sal san sao sap sar sas sk- ska skk skl sko skp skr sks sla slk sll sln slo slp slr sls sna snk snl snn sno snp snr sns soa sok sol son soo sop sor sos spa spk spl spn spo spp spr sps sr- sra srk srl srn sro srp srr srs ss- ssa ssk ssl ssn sso ssp ssr sss