-ic a-a a-b a-c a-i aaa aab aac aaf aai aar aax ab- aba abb abc abf abi abr abx ac- aca acb acc acf aci acr acx af- afa afb afc aff afi afr afx ai- aia aib aic aif aii air aix ar- ara arb arc arf ari arr arx ax- axa axi axr axx baa bab bac baf bai bar bax bba bbb bbc bbf bbi bbr bbx bca bcb bcc bcf bci bcr bcx bfa bfb bfc bff bfi bfr bfx bi- bia bib bic bif bii bir bix bra brb brf bri brr brx bxb bxi bxx c-- caa cab cac caf cai car cax cba cbb cbc cbf cbi cbr cbx cca ccb ccc ccf cci ccr ccx cfa cfb cfc cff cfi cfr cfx ci- cia cib cic cif cii cir cix cra crb crc crf cri crr crx cxc cxf cxi cxr cxx faa fab fac faf fai far fax fba fbb fbc fbf fbi fbr fbx fca fcb fcc fcf fci fcr fcx ffa ffc fff ffi ffr ffx fia fib fic fif fii fir fix fra frb frc frf fri frr fxi fxr fxx i-f ia- iaa iab iac iaf iai iar iba ibb ibc ibf ibi ibr ibx ica icb icc icf ici icr ifa ifb ifc iff ifi ifr ifx iia iib iic iif iii iir iix ir- ira irb irc irf iri irr irx ixc ixi ra- raa rab rac raf rai rar rax rba rbb rbc rbf rbi rbr rbx rca rcb rcc rcf rci rcr rcx rfa rfb rfc rff rfi rfr ria rib ric rif rii rir rix rra rrb rrc rrf rri rrr rxr xaa xac xaf xar xbc xbr xbx xcb xcf xci xcr xcx xfa xfx xia xic xii xix xrc xrf xrx xxi xxx

a-ii aaaa aaab aaac aaaf aaai aaar aaba aabb aabc aabi aaca aacb aacc aacf aaci aacr aafa aafb aafc aaff aafi aaib aaic aaii aara aarc aari abaa abab abac abaf abai abar abax abb- abba abbb abbi abbr abca abcb abcc abcf abci abcr abff abia abib abic abir abra abrc abri acaa acab acac acai acar acba acca accc accf acci acfc acfi aci- acia acic acif acir acr- acra acrc acri acrr afaa afar afca afcb afcc afci affa affc affi afia afib afif afir afix afr- afra afrc afri aiai aiba aica aicc aicf aicr aiff aiia aiib aiic aiir aira airi airx aixa aixi arab arac araf arai arar arax arba arbi arc- arca arci arfa arfb arfc arff aria arib arif arii arr- arra arrc arri arrr axaf axar axfr axi- axia ba-i ba-x baaa baaf baar baba babb babi babr bac- baca bacc baci bafc baff baia baib baic bair baix bar- bara barb barc barf bari barr barx baxi bbbb bbci bbfc bbrc bcaa bcar bcbc bcca bccc bcci bcfc bcia bcra bfca biaf biar biba bibb bibi bica bicc bici bifa biff bifi bira birb biri birr birx bixa bixi brab brac braf brai brax brca brcb brfc bria bric brix brrr caaa caab caac caaf caba cabf cabi cac- caca cacc caci cacr cafa cafb cafc caff caia caib caic cair caix cara carb carc carf cari carr carx caxa cbac cbar cbax cbbc cbca cbcc cbcr cbfb cbfc cbia cbir cbxa ccaa ccab ccac ccaf ccai ccar ccba ccbc ccca cccb cccc cccf ccci ccfa ccfc ccff ccfi ccic ccii ccir ccix ccra ccrc ccrf ccri ccxi cfaa cfab cfac cfar cfax cfbc cfbr cfca cfcb cfcf cffb cffr cfia cfix cfra cfrb cfrx ciaa ciar ciba cibc cibi cica cicc cici cicr cifa ciff ciia ciii cira cirb circ ciri cirr cixi crab crac craf crai crar crax crbc crca crcc crcr crfc cria crib cric crif cxii cxix cxxi cxxx faaa faac faba fabi faca facc fafa fafc faff fafi fair faix fara farb farc farr faxi fbar fcab fcar fcba fcca fccf fcic fcii fcra ffar ffcc ffff ffii ffrr fiaa fiac fiaf fiar fiba fica ficc fifa fifc fiff fifi fiii fira fixx frab frac frax frbc frcc frfc fria frib fric iaaa iaac iaai iaba iaca iacc iacr iafc iaff iaia iara iarc ibac ibar ibca ibfi ibia ibra ibrc ibri icaa icab icac icaf icai icar icbc icca iccb iccc iccf icci iccr icfb icra icrc icrf icrr ifaa ifac ifar ifbb ific ifra ifrb ifrf ifri iiac iica iifa iiii iira iirc irac iraf irai irar irca ircc ircx iri- iria iric irix irra irrc irri ixia ixxi raab raaf raba rabb rabi rac- raca racc raci rafa rafc raff rafi raia raic raif raii rair raix rara rarb rarf rari raxa raxi rbaf rbbb rbbr rcac rcaf rcbc rccb rccc rcfc rcic rffc rfic riaa riab riai rib- riba rica ricc rifa riff riia riif riri rixc rrfc rrif rrrr x-fi xaar xara xbai xbar xbra xcii xcri xica xiii xixi xxii xxix xxxi xxxx

-aaa- a-fib a-iii aaaai aaarc aabaa aabba aabra aacbc aafir aaiib aaria abaab ababa abaca abaci abaia abair abara abari abbac abbai abbar abbia abccc abfab abici abira abrac abrar acaca acacb acar- acara acari accia accra acirc acrab acria afaic afair afara afari affif affix afifa afric aiacr aiaff aiaia aibar aicar aifar airai airba ar-ab ara-c arab- araba arabi araca araci araia araic arara arari araxa arbab arbar arbia arbib arbir arcia arcic ariab arica arrai arria axixa baari babai babar babax babia babic babra bacab bacar bacax bacca bacci bacia baffa baffi bafia bafra baiba baici baira bar-x baraa barab barac barai barar barba barbi barca barff barfi bari- baria baric barra barri bbiab bbiaf biafr biara biarc biari bibar bibia bibic bibra bibri biffa biffi birac birar birba birca braai braca bracc braff briar brica brixx brrar brrrr c-a-c c-raf ca-ca caaba cabia cabir cabra cabri cacia cacic caffa caffi cafri caibi caifi caira cairi caixa caraa carab carac carai carb- caria carib carra ccair ccccc cccii