a-a a-c a-t aaa aac aaf aao aap aas aat ac- aca acc acf aco acp acs act af- afa afc aff afo afp afs aft aoa aoc aof aoo aop aos aot ap- apa apc apf apo app aps apt as- asa asc asf aso asp ass ast at- ata atc atf ato atp ats att c-- caa cac caf cao cap cas cat cca ccc ccf cco ccp ccs cct cfa cfc cff cfo cfp cfs cft co- coa coc cof coo cop cos cot cpa cpc cpf cpo cpp cps cpt csa csc csf cso csp css cst cta ctc ctf cto ctp cts ctt faa fac faf fao fap fas fat fca fcc fcf fco fcp fcs fct ffa ffc fff ffo ffp ffs fft foa foc fof foo fop fos fot fpa fpc fpo fpp fps fpt fsa fsc fsf fso fsp fss fst fta ftc ftf fto ftp fts ftt oaa oac oaf oao oap oas oat oc- oca occ ocf oco ocp ocs oct of- ofa ofc off ofo ofp ofs oft oo- ooa ooc oof ooo oop oos oot op- opa opc opf opo opp ops opt os- osa osc osf oso osp oss ost ot- ota otc otf oto otp ots ott p-p paa pac paf pao pap pas pat pca pcc pcf pco pcp pcs pct pfa pfc pff pfo pfp pfs pft poa poc pof poo pop pos pot ppa ppc ppf ppo ppp pps ppt ps- psa psc psf pso psp pss pst pt- pta ptc ptf pto ptp pts ptt saa sac saf sao sap sas sat sca scc scf sco scp scs sct sfa sfc sff sfo sfp sfs sft soa soc sof soo sop sos sot spa spc spf spo spp sps spt ss- ssa ssc ssf sso ssp sss sst sta stc stf sto stp sts stt taa tac taf tao tap tas tat tca tcc tcf tco tcp tcs tct tfa tfc tff tfo tfp tfs tft to- toa toc tof too top tos tot tpa tpc tpf tpo tpp tps tpt tsa tsc tsf tso tsp tss tst tta ttc ttf tto ttp tts ttt

aaaa aaac aaaf aaap aaas aaca aacc aacf aaco aacp aacs aact aafa aafc aaff aaoo aapa aapc aapo aaps aapt aasa aasc aasf aass aast aata aatc aatf aatt ac-t acaa acac acap acas acat acca accc accf acco accp accs acct acfc acfs acft acoa acop acos acot acpa acps acpt acsa acsc acss acst acta actc actf acto acts actt afaa afao afap afat afca afcc afcs affa affc affo affs afft afoa afoo afpa afpc afsa afsc afsp afst afta aftc aftp afts aoca aocs aopo aosp aoss aotc aotf apac apao apap apas apat apca apcc apco apcs apfa apfc apfo apft apo- apoc apof apoo apop apos apot appa appc apps appt apsa apso apss apta aptc apts aptt asaa asac asaf asao asap asas asat asc- asca ascc asco ascp asct asfa asoc asof asop asos asot aspa aspc aspo asps aspt assa assc asso assp asss asst asta astc asto astp asts at-t ataa atac atap atas atat atca atcc atcf atco atcs atfc atfs atoc atof atop atos atot atsc atst atta atto attp atts caaa caac caaf caap caas caat cac- caca cacc caco cafa cafc caff cafs caos capa capc capo capp caps capt casa casc caso casp cass cast cat- cata catc catf cato cats catt ccaa ccac ccaf ccap ccas ccat ccca cccc cccf cccp cccs ccfa ccfc ccff ccoc ccpa ccpp ccps ccsa ccsf ccsp ccss ccst cctc cctt cfaa cfac cfao cfca cfcf cfco cfcs cfoa cfos cfpa cfpo cfps cfsa cfta cftc coas coat coca coco cocp coct cofc coff cofs coft coof coop coos coot copa copo copp cops copt cosa cosc coso cosp coss cost cota cotc coto cots cott cpaa cpac cpaf cpap cpas cpca cpcs cpff cpft cpos cppa cpps cpsa cpsc cpso cptp cpts csaa csac csao csas csat cscc cscf csco cscs csfc csos csot cspa cspc csps cspt cssa csta cstc csto csts ctca ctcf ctcp ctfc ctfo ctfs ctos ctot ctpo ctpp ctps ctsa ctsc ctss ctta ctts faaa faac faap faas faca facc facp facs fact fafa fafc faff fafo fapa fapp faps fasa fasc faso fass fast fata fatc fatf fato fats fatt fcap fcas fcat fcca fccf fccp fcot fcpa fcps fcsc fcst fcto ffcc ffff ffps ffsa ffss fftf foaf foca foco focs fofo foof foos foot fopp fops fosa foso foss fost fota foto fotp fots fott fp-c fpaa fpas fpcc fpct fsas fscc fsfo fspc fspf fssa fssc fssf fssp fsta ft-c ftfc ftop ftos ftps ftsa oafc oafo oafs oaps oasc oass oast oats ocac ocap ocas ocat occa occc occt ocfa ocfp ocos ocpa ocpp ocsa oct- octa octo octs ofas off- offa offc offo offs ofst ofta oftp ooaa ooff oofs oooo ooos oops oosa oost ootp oots opap opca opo- opos oppa oppo opps opsa opto opts osaf osap osas osat osca oscc osco osfa osoo osos ossa osso osta ostc osts otac otap otas otfc otfp oto- otof otoo otos otpp otsa otso otta otto otts paap paas paat paca paco pacs pact pafa pafc paff paoc paos papa papp paps pasa pasc paso pasp pass past pata pato pats patt pcaa pcaf pcap pcas pcca pccc pccs pcfc pcoa pcos pcpp pcps pcsa pcso pcts pfaa pfas pfcs pfff pfft pfps poas poat poca poco pocs poff poof poop poos poot pop- popa popc popo popp pops popt posa poso poss post pota potc potf poto pots pott ppac ppap ppcc ppcs ppfa ppoa ppos pppa pppo pppp ppps ppsf ppss ppta ppts pptt psac psap psas psat psca psco psfs psoa psoc psos pspp psps pssa pssc psso psst psts ptaf ptas ptca ptcc ptop ptsa pttc s-os sa-c saac saaf saap saas saat saca sacc saco sacs sact safa