a-a a-c a-t aaa aac aad aaf aao aar aat ac- aca acc acd acf aco acr act ad- ada adc add adf ado adr adt af- afa afc afd aff afo afr aft aoa aoc aod aof aoo aor aot ar- ara arc ard arf aro arr art at- ata atc atd atf ato atr att c-- caa cac cad caf cao car cat cca ccc ccd ccf cco ccr cct cda cdc cdd cdf cdo cdr cdt cfa cfc cfd cff cfo cfr cft co- coa coc cod cof coo cor cot cra crc crd crf cro crr crt cta ctc ctd ctf cto ctr ctt daa dac dad daf dao dar dat dca dcc dcd dcf dco dcr dct dda ddc ddd ddf ddo ddr ddt dfa dfc dfd dff dfo dfr dft doa doc dod dof doo dor dot dra drc drd dro drr drt dta dtc dtd dtf dto dtr dtt faa fac fad faf fao far fat fca fcc fcd fcf fco fcr fct fda fdc fdd fdf fdo fdr fdt ffa ffc ffd fff ffo ffr fft foa foc fof foo for fot fra frc frd frf fro frr frt fta ftc ftd ftf fto ftr ftt oaa oac oad oaf oao oar oat oc- oca occ ocd ocf oco ocr oct oda odc odd odf odo odr odt of- ofa ofc ofd off ofo ofr oft oo- ooa ooc ood oof ooo oor oot or- ora orc ord orf oro orr ort ot- ota otc otd otf oto otr ott ra- raa rac rad raf rao rar rat rca rcc rcd rcf rco rcr rct rda rdc rdd rdf rdo rdr rdt rfa rfc rfd rff rfo rfr rft roa roc rod rof roo ror rot rra rrc rrd rrf rrr rrt rta rtc rtd rtf rto rtr rtt taa tac tad taf tao tar tat tca tcc tcd tcf tco tcr tct tda tdc tdd tdf tdo tdr tdt tfa tfc tfd tff tfo tfr tft to- toa toc tod tof too tor tot tra trc trd trf tro trr trt tta ttc ttd ttf tto ttr ttt

a-do aaaa aaac aaad aaaf aaar aaca aacc aacd aacf aaco aacr aact aada aadc aadt aafa aafc aafd aaff aaoo aara aarc aard aaro aart aata aatc aatf aatt ac-t acaa acac acad acar acat acca accc accd accf acco acct acda acdc acdf acdt acfc acfd acft acoa acod acor acot acr- acra acrc acro acrr acta actc actf acto actt adaa adac adad adao adar adat adcc adda addc addd addo addr adfa adfc adoc adod adoo ador adot adra adro adta afaa afad afao afar afat afca afcc afdc affa affc affo afft afoa afoo afor afr- afra afrc afro afta aftc aoca aora aort aotc aotd aotf arac arad araf arar arat arc- arca arco arct arda ardc ardf ardo arfa arfc arff arft aroa arod aroo aror arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atac atad atar atat atca atcc atcf atco atcr atdt atfc atoc atod atof ator atot atra atrc atro atta atto attr c-cd caaa caac caaf caat cac- caca cacc caco cacr cada cadc cadd cado cadr cafa cafc caff caod caor cara carc card carf caro carr cart cat- cata catc catd catf cato catt ccaa ccac ccad ccaf ccar ccat ccca cccc cccf ccdc ccdf ccdr ccfa ccfc ccfd ccff ccoc ccod ccra ccrc ccrf ccrt cctc cctt cd-r cdaa cdac cdad cdda cddr cdfa cdot cfaa cfac cfao cfar cfca cfcf cfco cfda cffr cfoa cfor cfra cfrt cfta cftc cftr coad coat coca coco coct coda codd cofc coff coft cood coof coot cor- cora corc cord corf coro corr cort cota cotc coto cott crac craf crar crat crca crcc crcr crda crdc crfc croc crod croo cror crot crrt crtc crtf ctca ctcf ctfc ctfo ctor ctot ctrc ctta daad daar daca dact dada dado dafa dafc daff dafo daft dara darc dard darf daro darr dart data dato datr datt dcca dccc dcct dcfc dcra dctc dddd ddoc ddot ddrc dfaf dfcc dfco dfdt dffa dfrf dftr doar doat doca doco doct dod- doda dodd dodo doff dood doof door doot dora dorc dord dorf doro dorr dort dota dotd doto dott draa drac drad draf drar drat drca drda drfc drod drof drot drra dtaa dtac dtcc dtfc dtor dtot faaa faac faad faca facc fact fada fadd fado fafa fafc faff fafo fara farc fard faro farr fart fata fatc fatf fato fatt fcar fcat fcca fccf fcda fcot fcra fcto fdca fdoa fdoc fdot fdtc ffar ffcc ffff ffrr fftf foad foaf foar foca foco foda fofo food foof foot for- fora ford foro forr fort fota foto fott frac frad frat frcc frfc frot frta ft-c ftcd ftfc oafc oafo oara ocac ocad ocat occa occc occt ocfa ocra ocro ocrr oct- octa octo odac odda oddd odoo odor odot odra ofcr ofdr off- offa offc offo offr ofor ofra ofta ooaa oocr ooda ooff oooo oora oord oort orac orad orao orar orat orca orco orda ordo orff oro- orof oror orot orra orro orta ortc orto otac otar otcd otfc oto- otof otoo otor otra otro otta otto raad raaf raat rac- raca racc raco ract rada radc radd rado radr radt rafa rafc raff raft raoc rara rarf raro rata ratf rato ratt rcac rcaf rccc rcdc rcfc rcrd rctc rdac rdfa rdoc rffc rftc road roaf roar roat roca rocc roco roda rodd rodo rofc roff rofo rood roof roor root rora rorc roro rort rota rotc roto rotr rott rrad rrat rrfc rrrr rtca rtcc rtdt rtfc taa- taaf taar taat taca tacc taco tact tada tado tafa tafc taff tafo taft taoa taor tara tarc tard tarf taro tarr tart tata tato tatr tatt tcad tcca tccc tcdd tcfc tctc tdac tdff tdor tdra tfca tfdc tfot tftc toad toat toca