-al -er -ol a-a a-c a-t aaa aac aae aak aal aao aap aar aat ac- aca acc ace ack acl aco acp acr act aea aec aee aek ael aeo aep aer aet aka akc ake akk akl ako akp akr al- ala alc ale alk all alo alp alr alt aoa aoc aoe aok aol aoo aop aor aot ap- apa apc ape apk apl apo app apr apt ar- ara arc are ark arl aro arp arr art at- ata atc ate atl ato atp atr att c-- caa cac cae cak cal cao cap car cat cca ccc cce cck ccl cco ccp ccr cct ce- cea cec cee cek cel ceo cep cer cet cka ckc cko ckt cl- cla clc cle clk cll clo clp clr clt co- coa coc coe cok col coo cop cor cot cpa cpc cpe cpk cpl cpo cpp cpr cpt cra crc cre crk crl cro crp crr crt cta ctc cte ctk ctl cto ctp ctr ctt eaa eac eae eak eal eao eap ear eat ec- eca ecc ece eck ecl eco ecr ect eea eec eee eek eel eeo eep eer eet eka ekc eke ekl eko ekp ekr ekt ela elc ele elk ell elo elp elr elt eo- eoa eoc eoe eok eol eoo eop eor eot ep- epa epc epe epl epo epp epr ept era erc ere erk erl ero erp err ert eta etc ete etk etl eto etp etr ett k-t ka- kaa kac kae kak kal kao kap kar kat kca kcc kce kck kcl kcp kcr kct ke- kea kec kee kek kel keo kep ker ket kkc kke kkk kkl kkp kkr kkt kl- kla klc klo klr klt koa koc koe kok kol koo kop kor kot kpa kpc kpe kpk kpl kpo kpp kpr kpt kra krc krk krl kro krp krr krt kta ktc kte ktk ktl kto ktp ktr ktt l-p la- laa lac lae lak lal lao lap lar lat lca lcc lce lck lcl lco lcp lcr lct lea lec lee lek lel leo lep ler let lka lkl lkp lkr lkt lla llc lle llk lll llo llp llr llt loa loc loe lok lol loo lop lor lot lpa lpc lpe lpk lpl lpo lpp lpr lpt lra lrc lrk lro lrp lrr lrt lta ltc lte ltk ltl lto ltp ltr ltt oaa oac oae oak oal oao oap oar oat oc- oca occ ock ocl oco ocp ocr oct oea oec oee oel oeo oep oer oet oka okc oke okk okl oko okp okr ola olc ole olk oll olo olp olt oo- ooa ooc ook ool ooo oop oor oot op- opa opc ope opk opl opo opp opr opt or- ora orc ore ork orl oro orp orr ort ot- ota otc ote otk otl oto otp otr ott p-p paa pac pae pak pal pao pap par pat pca pcc pce pck pcl pco pcp pcr pct pea pec pee pek pel peo pep per pet pka pkc pke pkl pko pkp pkr pkt pla plc ple plk pll plo plp plr plt poa poc poe pok pol poo pop por pot ppa ppc ppe ppk ppl ppo ppp ppr ppt pra prc pre prk prl pro prp prr prt pt- pta ptc pte ptk ptl pto ptp ptr ptt ra- raa rac rae rak ral rao rap rar rat rca rcc rce rcl rco rcp rcr rct re- rea rec ree rek rel reo rep rer ret rkc rke rkk rko rkp rkt rla rlc rle rll rlo rlp rlr rlt roa roc roe rok rol roo rop ror rot rpa rpc rpe rpk rpl rpo rpp rpr rpt rra rrc rrk rrl rrp rrr rrt rta rtc rte rtk rtl rto rtp rtr rtt taa tac tae tak tal tao tap tar tat tca tcc tce tck tcl tco tcp tcr tct te- tea tec tee tek tel teo tep ter tet tka tkc tke tkk tkl tko tkp tkr tkt tla tlc tle tlk tll tlo tlp tlr tlt to- toa toc toe tok tol too top tor tot tpa tpc tpe tpk tpl tpo tpp tpr tpt tra trc tre trk trl tro trp trr trt tta ttc tte ttk ttl tto ttp ttr ttt