a-a a-c a-t aaa aac aaf aak aao aar aat ac- aca acc acf ack aco acr act af- afa afc aff afk afo afr aft aka akc akk ako akr aoa aoc aof aok aoo aor aot ar- ara arc arf ark aro arr art at- ata atc atf ato atr att c-- caa cac caf cak cao car cat cca ccc ccf cck cco ccr cct cfa cfc cff cfk cfo cfr cft cka ckc cko ckt co- coa coc cof cok coo cor cot cra crc crf crk cro crr crt cta ctc ctf ctk cto ctr ctt faa fac faf fak fao far fat fca fcc fcf fck fco fcr fct ffa ffc fff ffk ffo ffr fft fka fkc fkf fkk fkt foa foc fof fok foo for fot fra frc frf frk fro frr frt fta ftc ftf ftk fto ftr ftt k-t ka- kaa kac kaf kak kao kar kat kca kcc kck kcr kct kfa kfc kff kfo kkc kkk kkr kkt koa koc kof kok koo kor kot kra krc krf krk kro krr krt kta ktc ktf ktk kto ktr ktt oaa oac oaf oak oao oar oat oc- oca occ ocf ock oco ocr oct of- ofa ofc off ofo ofr oft oka okc okk oko okr oo- ooa ooc oof ook ooo oor oot or- ora orc orf ork oro orr ort ot- ota otc otf otk oto otr ott ra- raa rac raf rak rao rar rat rca rcc rcf rco rcr rct rfa rfc rff rfk rfo rfr rft rkc rkf rkk rko rkt roa roc rof rok roo ror rot rra rrc rrf rrk rrr rrt rta rtc rtf rtk rto rtr rtt taa tac taf tak tao tar tat tca tcc tcf tck tco tcr tct tfa tfc tff tfk tfo tfr tft tka tkc tkk tko tkr tkt to- toa toc tof tok too tor tot tra trc trf trk tro trr trt tta ttc ttf ttk tto ttr ttt

a-ak a-ok aaaa aaac aaaf aaar aaca aacc aacf aack aaco aacr aact aafa aafc aaff aaka aaoo aara aarc aaro aart aata aatc aatf aatk aatt ac-t acaa acac acar acat acca accc accf acco acct acfc acft acoa acor acot acr- acra acrc acro acrr acta actc actf acto actt afaa afak afao afar afat afca afcc affa affc affo afft afka afkr afoa afoo afor afr- afra afrc afro afta aftc akaa akao akar akca akka akko akok akot akr- akra aoca aora aort aotc aotf arac araf arak arar arat arc- arca arco arct arfa arfc arff arft arka arko aroa aroo aror arr- arra arrc arrk arro arrr arrt arta artc arto artr at-t ataa atac atak atar atat atca atcc atcf atck atco atcr atfc atka atkt atoc atof atok ator atot atra atrc atrk atro atta atto attr caaa caac caaf caat cac- caca cacc cack caco cacr cafa cafc caff caka caor cara carc carf cark caro carr cart cat- cata catc catf cato catt ccaa ccac ccaf ccar ccat ccca cccc cccf ccfa ccfc ccff ccoc ccra ccrc ccrf ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfco cffr cfoa cfor cfra cfrt cfta cftc cftk cftr ckac ckat ckck ckco ckfr ckoa ckoc ckoo ckor ckot ckrc coak coat coca cock coco coct cofc coff coft cok- coka coko coof cook coot cor- cora corc corf cork coro corr cort cota cotc coto cott crac craf crar crat crca crcc crcr crfc crkc croc crok croo cror crot crrt crtc crtf ctca ctcf ctfc ctfo ctor ctot ctrc ctta f--k faaa faac faca facc fack fact fafa fafc faff fafo fako fakt fara farc fark faro farr fart fata fatc fatf fato fatt fcar fcat fcca fccf fcot fcra fcto ffar ffcc ffff ffrr fftf foaf foak foar foca fock foco fofo foof fook foot for- fora fork foro forr fort fota foto fott frac frak frat frcc frfc frot frta ft-c ftfc kaaa kaaf kaak kaar kaat kacc kaco kact kafa kafc kaff kafr kaka kakc kakk kako kakt kaoa kaoc kaok kaor kara karf kark karo karr kart kat- kata katc katf katk kato katr katt kcaa kcac kcar kcat kcca kccc kcck kccr kcct kcfa kcfc kcfo kcft kckc kckf kckk kcko kckr kcof kcor kcot kcrc kcro kcrr kcrt kcta kctc kcto kfac kfar kfat kfcf kfco kfcr kffa kfff kffk kfka kfok kfoo kfor kfra kfrc kfro kfrr kfta kftc kftk kftt kkaa kkac kkar kkat kkck kkco kkcr kkct kkfr kkft kkkk kkoa kkoo kkor kkot kkrc kkrf kkrk kkro kkrr kkrt kktc kktk koac koak koar koca kocf kock koct kofa kofc koff kofk kofo koft koka kokc kokf kokk koko kokr kooc kook kooo koor koot kora korc korf kork koro korr kort kota kotc kotk koto kotr kott krac krak krar krat krca krcc krco krfc krff krfo krft krka krkc krkk krko krkr kroa kroc krof krok kroo kror krrc krrf krrk krro krrr krrt krta krtc krtk krto krtr ktaa ktak ktao ktar ktat ktcc ktck ktco ktcr ktfc ktfo ktkc ktkk ktko ktkr ktkt ktoc ktok ktoo ktor ktot ktrc ktrf ktrk ktro ktrr ktrt kttc kttf kttk ktto kttr kttt oafc oafo oara ocac ocak ocat occa occc occt ocfa ocra ocro ocrr oct- octa octo ofcr off- offa offc offo offr ofor ofra ofta okak okka okko okok okor okot okra okro okta okto ooaa ooak oocr ooff oooo oora oort orac orak orao orar orat orca orco orff orka orko oro- orof orok oror orot orra orro orta ortc orto otac otak otar otfc oto- otof otok otoo otor otra otro otta otto raaf raak raat rac- raca racc rack raco ract rafa rafc raff raft raka rakk rakt raoc raok rara rarf rark raro rata ratf ratk rato ratt rcac rcaf rccc rcfc rctc rffc rftc rkkf roaf roak roar roat roca rocc rock roco rofc