-ana a-ii aaaa aaab aaac aaaf aaai aaal aaan aaar aaba aabb aabc aabi aabl aaca aacb aacc aacf aaci aacl aacn aacr aafa aafb aafc aaff aafi aafl aaib aaic aaii aain aala aalc aali aall aana aani aara aarc aari abaa abab abac abaf abai abal aban abar abb- abba abbb abbi abbr abca abcb abcc abcf abci abcl abcn abcr abff abia abib abic abil abin abir abla abra abrc abri acaa acab acac acai acan acar acba acbl acca accc accf acci acfc acfi acfl aci- acia acic acif acin acir acla aclc acli aclr acr- acra acrc acri acrr afaa afan afar afca afcb afcc afci affa affc affi afia afib afif afil afin afir afla aflc afr- afra afrc afri aiai aian aiba aibl aibn aica aicc aicf aicr aiff aifl aiia aiib aiic aiin aiir aila aili aina ainc aini aira airi alaa alac alai alal alan alar alb- alba albc albi alca alcc alfa alfi ali- alia alib alif alii alil alin alir all- alla alli alll alln allr alna alni ana- anaa anab anac anai anal anan anar anba anbb anbi anbl anca ancc anfa ania anib anic anif anil anin anir anla anlc anli anln anna annb anni anrc anri arab arac araf arai aral aran arar arba arbi arc- arca arci arfa arfb arfc arff aria arib arif arii aril arin arla arli arna arni arr- arra arrc arri arrr ba-i baaa baaf baal baan baar baba babb babi babr bac- baca bacc baci bacn bafc baff baia baib baic bail bain bair bala balc balf bali ball bana banc bani bann banr bar- bara barb barc barf bari barn barr bbbb bbci bbfc bbfn bbin bblb bbrc bcaa bcar bcbc bcca bccc bcci bccl bcfc bcia bcra bfca bffl biaf bial bian biar biba bibb bibi bibl bica bicc bici bifa biff bifi biin bila bili bill bin- bina binc bini binn bira birb biri birl birn birr blaa blab blac blan blfc blic blin blir blni blrc bnai bnib bnin bnrr brab brac braf brai bran brca brcb brfc bria bric bril brin brna brrr caaa caab caac caaf caal caan caba cabf cabi cac- caca cacc caci cacr cafa cafb cafc caff cafl caia caib caic cail cain cair cala calc calf cali call cana canc cani cann cara carb carc carf cari carl carn carr cbac cbal cbar cbbc cbca cbcc cbcl cbcn cbcr cbfb cbfc cbia cbir cblb cblc cbln cbna cbrl cbrn ccaa ccab ccac ccaf ccai ccar ccba ccbc ccbn ccca cccb cccc cccf ccci cccl ccfa ccfc ccff ccfi ccfl ccic ccii ccil ccir ccla cclc ccli ccna ccnb ccnc ccnf ccni ccnr ccra ccrc ccrf ccri ccrl cfaa cfab cfac cfar cfbc cfbn cfbr cfca cfcb cfcf cfcl cfcn cffb cffr cfia cfln cfnb cfni cfnr cfra cfrb cfrn ciaa cial cian ciar ciba cibc cibi cica cicc cici cicr cifa ciff cifl ciia ciii cila cili cill cin- cina cinc cinf cini cira cirb circ ciri cirl cirr clab claf clai clan clar clib clic clif clii clin clir clra clri cnaa cnac cnbc cnbl cnci cnfa cnib cnic cnna cnrc cnrr crab crac craf crai cran crar crbc crca crcc crcr crfc crfl cria crib cric crif crin crlf crna faaa faac faan faba fabi faca facc fafa fafc faff fafi fail fain fair fala falc fali fall faln fana fanc fani fara farb farc farl farr fbar fbla fcab fcal fcar fcba fcca fccf fcic fcii fcnl fcra ffar ffcc ffff ffii ffrr fiaa fiac fiaf fial fian fiar fiba fica ficc fifa fifc fiff fifi fiii fiil fila fili fill filn fina fini finn fira firn flab flac flan flcl flia flic flii flin flna flnb flnc fnac fnar fnci fnlc frab frac fran frbc frcc frcn frfc fria frib fric fril frin frla iaaa iaac iaai iaal iaba iaca iacc iacr iafc iaff iafl iaia iain iala iall iana iara iarc ibac iban ibar ibca ibfi ibia ibra ibrc ibri icaa icab icac icaf icai ical ican icar icbc icca iccb iccc iccf icci iccl iccn iccr icfb icll iclr icnb icnc icra icrc icrf icrr ifaa ifac ifan ifar ifbb ific ifil ifla ifni ifnr ifra ifrb ifrf ifri iiac iica iifa iiii iila iira iirc ilac ilal ilan ilar ilbc ilca ilia ilic ilin ilir ill- illa illi ilni inab inac inaf inai inal inan inar inba inca incb inci incl incr infa infi infl inia inla inna inni innr inra inri irac iraf irai iral iran irar irca ircc iri- iria iric iril irin irla irlb irna irra irrc irri laaa laac laal laan laar laba labi labr laca lacc laci lacl lafb lafc laff laia laic lail lain lair lala lali lall lan- lana lanc lani lann lara larb larc larf lari larn larr lbar lbcc lbia lblr lcac lcbc lcca lccc lcfc lcfr lcia lcra lcrl lfca lfcc liac lian liar liba libc libr lica licr lifa liff lifl liia liii liin liir lila lilb lili lill lina linc linn lira lirc liri lirl lirn lirr llan llcc lllc llll lncr lrac lral lrba lrfc lric lrif lrrc lrrr n-ii naaa naab naac naai naal naan naar naba nabc nabf nabi nabl naca nacc nacf naci nacl nafa nafc naff nafi nafl naia naib naic naif nail nain nair nala nalc nali nall nan- nana nanb nani nann nara narc narf nari narn narr nbaa nbaf nbar nbbc nbca nbcc nbci nbfa nbfc nbfl nbia nbic ncaa ncac ncar ncba ncbc ncbi ncca nccc nccf ncci nccn nccr ncfc ncia nclc ncln nclr ncna ncnc ncra ncrc ncri nfaa nfff nfia nfib nfic nfra niab niac niaf nial nian nibi nica nicc nicf nici nicl nifa nifc niff niia niir nila nili nill nina nini ninl nira nlab nlcc nlcf nlic nlra nlrb nnnn nrab nrca nrfc nric nrlb nrna nrrc nrrl raab raaf raan raba rabb rabi rabl rac-