-al -er a-a a-c a-t aaa aac aae aak aal aan aar aat ac- aca acc ace ack acl acn acr act aea aec aee aek ael aen aer aet aka akc ake akk akl akn akr al- ala alc ale alk all aln alr alt an- ana anc ane ank anl ann anr ant ar- ara arc are ark arl arn arr art at- ata atc ate atl atn atr att c-- caa cac cae cak cal can car cat cca ccc cce cck ccl ccn ccr cct ce- cea cec cee cek cel cen cer cet cka ckc ckt cl- cla clc cle clk cll cln clr clt cn- cna cnc cne cnl cnn cnr cnt cra crc cre crk crl crn crr crt cta ctc cte ctk ctl ctn ctr ctt eaa eac eae eak eal ean ear eat ec- eca ecc ece eck ecl ecn ecr ect eea eec eee eek eel een eer eet eka ekc eke ekl ekr ekt ela elc ele elk ell eln elr elt en- ena enc ene enk enl enn enr ent era erc ere erk erl ern err ert eta etc ete etk etl etn etr ett k-t ka- kaa kac kae kak kal kan kar kat kca kcc kce kck kcl kcn kcr kct ke- kea kec kee kek kel ken ker ket kkc kke kkk kkl kkn kkr kkt kl- kla klc klr klt kn- kna knc kne knk knl knn knr knt kra krc krk krl krn krr krt kta ktc kte ktk ktl ktn ktr ktt la- laa lac lae lak lal lan lar lat lca lcc lce lck lcl lcn lcr lct lea lec lee lek lel len ler let lka lkl lkr lkt lla llc lle llk lll lln llr llt lna lnc lne lnk lnl lnn lnr lnt lra lrc lrk lrn lrr lrt lta ltc lte ltk ltl ltr ltt naa nac nae nak nal nan nar nat nca ncc nce nck ncl ncn ncr nct ne- nea nec nee nek nel nen ner net nka nkc nke nkk nkn nkr nkt nla nlc nle nlk nll nln nlr nlt nna nnc nne nnk nnl nnn nnt nra nrc nre nrk nrl nrn nrr nrt nta ntc nte ntk ntn ntr ntt ra- raa rac rae rak ral ran rar rat rca rcc rce rcl rcn rcr rct re- rea rec ree rek rel ren rer ret rkc rke rkk rkt rla rlc rle rll rln rlr rlt rna rnc rnn rnr rnt rra rrc rrk rrl rrn rrr rrt rta rtc rte rtk rtl rtn rtr rtt taa tac tae tak tal tan tar tat tca tcc tce tck tcl tcn tcr tct te- tea tec tee tek tel ten ter tet tka tkc tke tkk tkl tkr tkt tla tlc tle tlk tll tln tlr tlt tna tnc tne tnk tnl tnn tnr tnt tra trc tre trk trl trn trr trt tta ttc tte ttk ttl ttn ttr ttt