-al -ol a-a a-c a-t aaa aac aaf aal aao aar aas aat ac- aca acc acf acl aco acr acs act af- afa afc aff afl afo afr afs aft al- ala alc alf all alo alr als alt aoa aoc aof aol aoo aor aos aot ar- ara arc arf arl aro arr ars art as- asa asc asf asl aso asr ass ast at- ata atc atf atl ato atr ats att c-- caa cac caf cal cao car cas cat cca ccc ccf ccl cco ccr ccs cct cfa cfc cff cfl cfo cfr cfs cft cl- cla clc clf cll clo clr cls clt co- coa coc cof col coo cor cos cot cra crc crf crl cro crr crs crt csa csc csf csl cso csr css cst cta ctc ctf ctl cto ctr cts ctt faa fac faf fal fao far fas fat fca fcc fcf fcl fco fcr fcs fct ffa ffc fff ffl ffo ffr ffs fft fla flc flf fll flo flr fls flt foa foc fof fol foo for fos fot fra frc frf frl fro frr frs frt fsa fsc fsf fsl fso fsr fss fst fta ftc ftf ftl fto ftr fts ftt la- laa lac laf lal lao lar las lat lca lcc lcf lcl lco lcr lcs lct lfa lfc lff lfl lfo lfr lfs lft lla llc llf lll llo llr lls llt loa loc lof lol loo lor los lot lra lrc lrf lro lrr lrs lrt lsa lsc lsf lsl lso lsr lss lst lta ltc ltf ltl lto ltr lts ltt oaa oac oaf oal oao oar oas oat oc- oca occ ocf ocl oco ocr ocs oct of- ofa ofc off ofl ofo ofr ofs oft ola olc olf oll olo ols olt oo- ooa ooc oof ool ooo oor oos oot or- ora orc orf orl oro orr ors ort os- osa osc osf osl oso osr oss ost ot- ota otc otf otl oto otr ots ott ra- raa rac raf ral rao rar ras rat rca rcc rcf rcl rco rcr rcs rct rfa rfc rff rfl rfo rfr rfs rft rla rlc rlf rll rlo rlr rls rlt roa roc rof rol roo ror ros rot rra rrc rrf rrl rrr rrs rrt rsa rsc rsf rsl rso rsr rss rst rta rtc rtf rtl rto rtr rts rtt saa sac saf sal sao sar sas sat sca scc scf scl sco scr scs sct sfa sfc sff sfl sfo sfr sfs sft sla slc slf sll slo slr sls slt soa soc sof sol soo sor sos sot sr- sra src srf srl sro srr srs srt ss- ssa ssc ssf ssl sso ssr sss sst sta stc stf stl sto str sts stt taa tac taf tal tao tar tas tat tca tcc tcf tcl tco tcr tcs tct tfa tfc tff tfl tfo tfr tfs tft tla tlc tlf tll tlo tlr tls tlt to- toa toc tof tol too tor tos tot tra trc trf trl tro trr trs trt tsa tsc tsf tsl tso tsr tss tst tta ttc ttf ttl tto ttr tts ttt

aaaa aaac aaaf aaal aaar aaas aaca aacc aacf aacl aaco aacr aacs aact aafa aafc aaff aafl aala aalc aall aalo aals aaoo aara aarc aaro aars aart aasa aasc aasf aass aast aata aatc aatf aatt ac-t acaa acac acar acas acat acca accc accf acco accs acct acfc acfl acfs acft acla aclc aclr acls acoa acol acor acos acot acr- acra acrc acro acrr acrs acsa acsc acsl acss acst acta actc actf actl acto acts actt afaa afao afar afat afca afcc afcs affa affc affo affs afft afla aflc afoa afol afoo afor afr- afra afrc afro afrs afsa afsc afst afta aftc afts alaa alac alal alao alar alas alat alca alcc alco alcs alfa alfs all- alla alll allo allr alls aloa aloc alof alol aloo alor alos alot alro alsa alsc also alst alta alto alts aoca aocs aola aora aors aort aoss aotc aotf arac araf aral arar aras arat arc- arca arco arcs arct arfa arfc arff arfs arft arla arlo aroa aroo aror aros arr- arra arrc arro arrr arrs arrt ars- arsa arsc arso arst arta artc arto artr arts asaa asac asaf asal asao asar asas asat asc- asca ascc ascl asco ascr asct asfa asla aslo aslr asoc asof asor asos asot asra asrc asro asrs assa assc assl asso assr asss asst asta astc astl asto astr asts at-l at-t ataa atac atal atar atas atat atca atcc atcf atcl atco atcr atcs atfc atfs atla atlo atls atoc atof atol ator atos atot atra atrc atro atsc atst atta atto attr atts caaa caac caaf caal caas caat cac- caca cacc caco cacr cafa cafc caff cafl cafs cala calc calf call calo cals calt caol caor caos cara carc carf carl caro carr cars cart casa casc casl caso casr cass cast cat- cata catc catf cato cats catt ccaa ccac ccaf ccar ccas ccat ccca cccc cccf cccl cccs ccfa ccfc ccff ccfl ccla cclc ccls ccoc ccra ccrc ccrf ccrl ccrs ccrt ccsa ccsf ccsl ccss ccst cctc cctl cctt cfaa cfac cfao cfar cfca cfcf cfcl cfco cfcs cffr cfls cfoa cfor cfos cfra cfrt cfsa cfsl cfta cftc cftl cftr claf clar clas clat clof cloo clor clos clot clra clro clrs clsa clsc cltc clts coal coas coat coca coco coct cofc coff cofs coft col- cola coll colo cols colt coof cool coos coot cor- cora corc corf corl coro corr cors cort cosa cosc cosl coso coss cost cota cotc coto cots cott crac craf crar cras crat crca crcc crcr crfc crfl crfs crlf crls croc crol croo cror crot crrt crsa crss crst crtc crtf crtl crts csaa csac csao csar csas csat cscc cscf cscl csco cscr cscs