-al -ol a-a a-c a-t aaa aac aad aal aan aao aar aat ac- aca acc acd acl acn aco acr act ad- ada adc add adl adn ado adr adt al- ala alc ald all aln alo alr alt an- ana anc and anl ann ano anr ant aoa aoc aod aol aon aoo aor aot ar- ara arc ard arl arn aro arr art at- ata atc atd atl atn ato atr att c-- caa cac cad cal can cao car cat cca ccc ccd ccl ccn cco ccr cct cda cdc cdd cdl cdn cdo cdr cdt cl- cla clc cld cll cln clo clr clt cn- cna cnc cnd cnl cnn cno cnr cnt co- coa coc cod col con coo cor cot cra crc crd crl crn cro crr crt cta ctc ctd ctl ctn cto ctr ctt daa dac dad dal dan dao dar dat dca dcc dcd dcl dcn dco dcr dct dda ddc ddd ddl ddn ddo ddr ddt dl- dla dlc dld dll dlo dlr dlt dna dnc dnd dnl dnn dno dnr dnt doa doc dod dol don doo dor dot dra drc drd drl drn dro drr drt dta dtc dtd dtl dtn dto dtr dtt la- laa lac lad lal lan lao lar lat lca lcc lcd lcl lcn lco lcr lct lda ldc ldd ldl ldn ldo ldr ldt lla llc lld lll lln llo llr llt lna lnc lnd lnl lnn lno lnr lnt loa loc lod lol lon loo lor lot lra lrc lrd lrn lro lrr lrt lta ltc ltd ltl lto ltr ltt naa nac nad nal nan nao nar nat nca ncc ncd ncl ncn nco ncr nct nda ndc ndd ndl ndn ndo ndr ndt nla nlc nld nll nln nlo nlr nlt nna nnc nnl nnn nno nnt no- noa noc nod nol non noo nor not nra nrc nrd nrl nrn nro nrr nrt nta ntc ntd ntn nto ntr ntt oaa oac oad oal oan oao oar oat oc- oca occ ocd ocl ocn oco ocr oct oda odc odd odl odn odo odr odt ola olc old oll oln olo olt on- ona onc ond onl onn ono onr ont oo- ooa ooc ood ool oon ooo oor oot or- ora orc ord orl orn oro orr ort ot- ota otc otd otl otn oto otr ott ra- raa rac rad ral ran rao rar rat rca rcc rcd rcl rcn rco rcr rct rda rdc rdd rdl rdn rdo rdr rdt rla rlc rld rll rln rlo rlr rlt rna rnc rnd rnn rno rnr rnt roa roc rod rol ron roo ror rot rra rrc rrd rrl rrn rrr rrt rta rtc rtd rtl rtn rto rtr rtt taa tac tad tal tan tao tar tat tca tcc tcd tcl tcn tco tcr tct tda tdc tdd tdl tdn tdo tdr tdt tla tlc tld tll tln tlo tlr tlt tna tnc tnd tnl tnn tno tnr tnt to- toa toc tod tol ton too tor tot tra trc trd trl trn tro trr trt tta ttc ttd ttl ttn tto ttr ttt