-ic a-a a-b a-c a-i aaa aab aac aai aak aar ab- aba abb abc abi abk abr ac- aca acb acc aci ack acr ai- aia aib aic aii aik air aka akb akc aki akk akr ar- ara arb arc ari ark arr baa bab bac bai bak bar bba bbb bbc bbi bbk bbr bca bcb bcc bci bck bcr bi- bia bib bic bii bik bir bka bkb bkc bkk bkr bra brb bri brk brr c-- caa cab cac cai cak car cba cbb cbc cbi cbk cbr cca ccb ccc cci cck ccr ci- cia cib cic cii cik cir cka ckb ckc cki cra crb crc cri crk crr ia- iaa iab iac iai iar iba ibb ibc ibi ibk ibr ica icb icc ici ick icr iia iib iic iii iir ika ikb ikc iki ikk ikr ir- ira irb irc iri irk irr ka- kaa kab kac kai kak kar kba kbb kbc kbi kbk kbr kca kcb kcc kci kck kcr kia kib kic kii kik kir kkb kkc kki kkk kkr kra krc kri krk krr ra- raa rab rac rai rak rar rba rbb rbc rbi rbk rbr rca rcb rcc rci rcr ria rib ric rii rik rir rkb rkc rkk rra rrb rrc rri rrk rrr

a-ak a-ii aaaa aaab aaac aaai aaar aaba aabb aabc aabi aaca aacb aacc aaci aack aacr aaib aaic aaii aaka aara aarc aari abaa abab abac abai abak abar abb- abba abbb abbi abbr abca abcb abcc abci abcr abia abib abic abir abra abrc abri acaa acab acac acai acar acba acca accc acci aci- acia acic acir acr- acra acrc acri acrr aiai aiba aica aicc aicr aiia aiib aiic aiir aika aiki aira airi akaa akai akar akca akia akik akir akka akki akr- akra arab arac arai arak arar arba arbi arc- arca arci aria arib arii arik arka arki arr- arra arrc arri arrk arrr ba-i baaa baak baar baba babb babi babr bac- baca bacc baci back baia baib baic baik bair bak- baka baki bakr bar- bara barb barc bari bark barr bbbb bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra biak biar biba bibb bibi bica bicc bici bick bira birb biri birk birr brab brac brai brak brca brcb bria bric brik brka brkb brrr caaa caab caac caba cabi cac- caca cacc caci cack cacr caia caib caic caik cair caka cara carb carc cari cark carr cbac cbar cbbc cbca cbcc cbcr cbia cbir cbka cbkr ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccic ccii ccir ccra ccrc ccri ciaa ciak ciar ciba cibc cibi cica cicc cici cicr ciia ciii cika cikr cira cirb circ ciri cirk cirr ckac ckbc ckbi ckck ckrc crab crac crai crar crbc crca crcc crcr cria crib cric crik crkc iaaa iaac iaai iaba iaca iacc iacr iaia iara iarc ibac ibar ibca ibia ibra ibrc ibri icaa icab icac icai icar icbc icca iccb iccc icci iccr icra icrc icrr iiac iica iiii iira iirc ikar ikki ikra ikri irac irai irak irar irca ircc iri- iria iric irka irki irra irrc irri k-ci kaaa kaab kaai kaak kaar kaba kabb kabc kabi kabr kacb kacc kaci kaia kaib kaic kaii kaik kair kaka kakc kaki kakk kara karb kari kark karr kbaa kbab kbac kbai kbak kbar kbba kbbb kbbc kbbi kbbk kbbr kbca kbcb kbci kbck kbcr kbia kbib kbic kbik kbkb kbkk kbkr kbra kbrb kbrc kbri kbrk kcaa kcab kcac kcai kcar kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kcic kcii kcir kckc kckk kckr kcrc kcri kcrr kiab kiac kiai kiar kiba kibb kibc kibi kibr kica kicb kicc kick kicr kiia kiic kiii kiik kika kikc kiki kikk kikr kira kirb kirc kiri kirk kirr kkaa kkac kkai kkar kkba kkbb kkbi kkbr kkcb kkci kkck kkcr kkia kkic kkik kkkk kkrb kkrc kkrk kkrr krab krac krai krak krar krba krbb krbi krbk krbr krca krcb krcc krci kria krib krik krka krkc krki krkk krkr krrb krrc krri krrk krrr raab raak raba rabb rabi rabk rac- raca racc raci rack raia raic raii raik rair raka raki rakk rara rarb rari rark rbbb rbbr rcac rcbc rccb rccc rcic riaa riab riai riak rib- riba rica ricc rick riia rika riki rikk riri rrrr

-aaa- a-iii aaaai aaarc aabaa aabba aabra aacbc aaiib aaria abaab ababa abaca abaci aback abaia abair abaka abara abari abbac abbai abbar abbia abccc abici abira abkar abrac abrak abrar acaca acacb acack acar- acara acari accia accra acirc acrab acria aiacr aiaia aibar aibik aicar aikia airai airba akaba akaki akari akbar akiak akiba akick akira akkra akrai akrak akrar ar-ab ara-c arab- araba arabi araca araci arack araia araic araki arara arari arbab arbar arbia arbib arbir arcia arcic ariab arica arika ariki arkar arkia arrai arrak arria b-r-k baari babai babak babar babia babic babka babki babra bacab bacar bacca bacci bacia back- backa backi baiba baici baira bakai bakar bakia bakic bakka bakra bakrc bakri baraa barab barac barai barak barar barba barbi barca bari- baria baric bark- barka barki barra barri bbiab biaka biara biarc biari bibar bibia bibic bibra bibri birac birak birar birba birca birck birka braai braak braca bracc brack braik braki briar brica brick brika brkic brrar brrrr c-a-c ca-ca caaba cabia cabir cabra cabri cacak cacia cacic cacik cacki caibi caira cairi cakra caraa carab carac carai carak carb- carck caria carib carik cark- carra ccair ccccc cccii cciii ciaci ciara cibir cicia cirak circa circk ciria ciric cirr- cirri ckick craba crabb crack craib craic craik crair cribb crick iacri ibaba ibara ibiai ibrik icara icbrr iccia icica icici iiiac iiiii ikara ikari iraca iraia iraki irara ircii iriba iriki k-car k-rab kaaba kaari kabaa kabab kabak kabar kabba kabir kabri kacar kacic kaiai kaiak