a-ii aaaa aaac aaaf aaai aaar aaca aacc aacf aaci aaco aacr aact aafa aafc aaff aafi aaic aaii aaoo aara aarc aari aaro aart aata aatc aatf aatt ac-t acaa acac acai acar acat acca accc accf acci acco acct acfc acfi acft aci- acia acic acif acir acoa acor acot acr- acra acrc acri acro acrr acta actc actf acti acto actt afaa afao afar afat afca afcc afci affa affc affi affo afft afia afif afir afit afoa afoo afor afr- afra afrc afri afro afta aftc aiai aica aicc aicf aicr aiff aiia aiic aiir aioc aioi aira airi airo airt aita aitf aiti aitr aitt aoca aora aort aotc aotf arac araf arai arar arat arc- arca arci arco arct arfa arfc arff arft aria arif arii ario arit aroa aroi aroo aror arr- arra arrc arri arro arrr arrt arta artc arti arto artr at-t ataa atac atai atar atat atca atcc atcf atco atcr atfc atia atic atif atit atoc atof atoi ator atot atra atrc atri atro atta atti atto attr caaa caac caaf caat cac- caca cacc caci caco cacr cafa cafc caff caia caic caio cair cait caoi caor cara carc carf cari caro carr cart cat- cata catc catf cati cato catt ccaa ccac ccaf ccai ccar ccat ccca cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccir ccoc ccra ccrc ccrf ccri ccrt cctc cctt cfaa cfac cfao cfar cfca cfcf cfco cffr cfia cfit cfoa cfor cfra cfrt cfta cftc cftr ciaa ciao ciar ciat cica cicc cici cico cicr cict cifa ciff ciia ciii ciit cior cira circ ciri ciro cirr cirt cita citf citi cito citt coai coat coca coco coct cofc coff cofi coft coia coif coir coit coof coot cor- cora corc corf cori coro corr cort cota cotc coti coto cott crac craf crai crar crat crca crcc crcr crfc cria cric crif crit croc croo cror crot crrt crtc crtf ctca ctcf ctfc ctfo ctia ctic ctor ctot ctrc ctta faaa faac faca facc fact fafa fafc faff fafi fafo faio fair fait fara farc faro farr fart fata fatc fatf fati fato fatt fcar fcat fcca fccf fcic fcii fcot fcra fcto ffar ffcc ffff ffii ffrr fftf fiaa fiac fiaf fiar fiat fica ficc fico fict fifa fifc fiff fifi fifo fift fiii fior fira fita fitc fiti fitt foaf foar foca foci foco fofo foia foof foot for- fora fori foro forr fort fota foti foto fott frac frat frcc frfc fria fric frio frit frot frta ft-c ftfc ftii iaaa iaac iaai iaat iaca iacc iacr iact iafc iaff iaia iara iarc iart iata iatc iati icaa icac icaf icai icao icar icat icca iccc iccf icci icco iccr icct icoc icor icra icrc icrf icrr icrt icta ifaa ifac ifao ifar ifat ifco ific ifit ifor ifra ifrf ifri ifta ifto iiac iica iifa iiii iiio iiit iioi iioo iira iirc iita iitr iitt ioci iofc ioii ioio ioit ioof iooi iooo iora iori iota iotf ioto irac iraf irai irao irar irca ircc iri- iria iric irio iroc irra irrc irri irta irtf irti itaa itac itaf itai itar itat itfa itia itic itif itof itoi itoo itor itra itrf itri itta ittf itto oafc oafo oaic oara ocac ocat occa occc occi occt ocfa ocra ocro ocrr oct- octa octi octo ofcr off- offa offc offo offr ofit ofor ofra ofta oici oiii oira oirt oita oitc oiti ooaa oocr ooff ooia oooo oora oort orac orai orao orar orat orca orci orco orff orfi ori- oria oric orif orio orit oro- orof oror orot orra orri orro orta ortc orto otac otar otfc otic otif otit oto- otof otoo otor otra otro otta otti otto raaf raat rac- raca racc raci raco ract rafa rafc raff rafi raft raia raic raif raii rair rait raoc rara rarf rari raro rata ratf rati rato ratt rcac rcaf rccc rcfc rcic rctc rcti rffc rfic rftc riaa riai riat rica ricc rico rict rifa riff rift riia riif riot riri rita riti rito ritt roaf roar roat roca rocc roco rofc roff rofo roia roif roio roir roit roof rooi roor root rora rorc rori roro rort rota rotc roti roto rotr rott rrat rrfc rrif rrrr rtai rtca rtcc rtfc taa- taaf taar taat taca tacc taci taco tact tafa tafc taff tafi tafo taft taia taio tair tait taoa taor tara tarc tarf tari taro tarr tart tata tati tato tatr tatt tcca tccc tcfc tctc tfca tfot tftc tiaa tiaf tiao tiar tica ticc tico tifa tiff tifo tift tiit tira tiri tiro tirr tita titc titi tito titt toat toca toci toco tofa toff tofi tofo toft toit tooa toof toor toot tora torc torf tori toro torr tort tota totc toti toto totr tott traa trac traf trai trao trat trca trcc trfc trfr tri- tria tric trif trio trit troa troc troi troo trot trra trtc trtr ttfa ttfc ttff tttt