-al -ol -th a-a a-c a-t aaa aac aad aaf aah aal aao aar aat ac- aca acc acd acf ach acl aco acr act ad- ada adc add adf adh adl ado adr adt af- afa afc afd aff afh afl afo afr aft aha ahc ahd ahf ahh ahl aho ahr aht al- ala alc ald alf alh all alo alr alt aoa aoc aod aof aoh aol aoo aor aot ar- ara arc ard arf arh arl aro arr art at- ata atc atd atf ath atl ato atr att c-- caa cac cad caf cah cal cao car cat cca ccc ccd ccf cch ccl cco ccr cct cda cdc cdd cdf cdh cdl cdo cdr cdt cfa cfc cfd cff cfh cfl cfo cfr cft ch- cha chc chd chf chh chl cho chr cht cl- cla clc cld clf clh cll clo clr clt co- coa coc cod cof coh col coo cor cot cra crc crd crf crh crl cro crr crt cta ctc ctd ctf cth ctl cto ctr ctt daa dac dad daf dah dal dao dar dat dca dcc dcd dcf dcl dco dcr dct dda ddc ddd ddf ddh ddl ddo ddr ddt dfa dfc dfd dff dfh dfl dfo dfr dft dh- dha dhc dhd dhf dhh dhl dho dhr dht dl- dla dlc dld dlf dlh dll dlo dlr dlt doa doc dod dof doh dol doo dor dot dra drc drd drl dro drr drt dta dtc dtd dtf dth dtl dto dtr dtt faa fac fad faf fah fal fao far fat fca fcc fcd fcf fcl fco fcr fct fda fdc fdd fdf fdh fdl fdo fdr fdt ffa ffc ffd fff ffh ffl ffo ffr fft fha fhc fhf fhh fhl fho fhr fla flc fld flf fll flo flr flt foa foc fof foh fol foo for fot fra frc frd frf frh frl fro frr frt fta ftc ftd ftf fth ftl fto ftr ftt haa hac had haf hah hal hao har hat hca hcc hcd hcf hch hcl hco hcr hct hda hdc hdd hdf hdh hdl hdo hdr hdt hfa hfc hfd hff hfh hfl hfo hfr hft hha hhc hhd hhf hhh hhl hho hhr hht hla hlc hld hlf hlh hll hlo hlr hlt hoa hoc hod hof hoh hol hoo hor hot hr- hra hrc hrd hrf hrh hrl hro hrr hrt hta htc htd htf hth htl hto htr htt la- laa lac lad laf lah lal lao lar lat lca lcc lcd lcf lch lcl lco lcr lct lda ldc ldd ldf ldh ldl ldo ldr ldt lfa lfc lfd lff lfh lfl lfo lfr lft lha lhc lhd lhf lhh lho lhr lht lla llc lld llf lll llo llr llt loa loc lod lof loh lol loo lor lot lra lrc lrd lrf lrh lro lrr lrt lta ltc ltd ltf lth ltl lto ltr ltt oaa oac oad oaf oah oal oao oar oat oc- oca occ ocd ocf och ocl oco ocr oct oda odc odd odf odh odl odo odr odt of- ofa ofc ofd off ofl ofo ofr oft oha ohc ohd ohf ohh ohl oho ohr oht ola olc old olf oll olo olt oo- ooa ooc ood oof ooh ool ooo oor oot or- ora orc ord orf orh orl oro orr ort ot- ota otc otd otf oth otl oto otr ott ra- raa rac rad raf rah ral rao rar rat rca rcc rcd rcf rch rcl rco rcr rct rda rdc rdd rdf rdh rdl rdo rdr rdt rfa rfc rfd rff rfh rfl rfo rfr rft rh- rha rhc rhd rhf rhh rhl rho rhr rht rla rlc rld rlf rlh rll rlo rlr rlt roa roc rod rof roh rol roo ror rot rra rrc rrd rrf rrh rrl rrr rrt rta rtc rtd rtf rtl rto rtr rtt taa tac tad taf tah tal tao tar tat tca tcc tcd tcf tch tcl tco tcr tct tda tdc tdd tdf tdh tdl tdo tdr tdt tfa tfc tfd tff tfh tfl tfo tfr tft th- tha thc thd thf thh thl tho thr tht tla tlc tld tlf tlh tll tlo tlr tlt to- toa toc tod tof toh tol too tor tot tra trc trd trf trh trl tro trr trt tta ttc ttd ttf tth ttl tto ttr ttt