-vac a-ak a-ii a-iv aaaa aaab aaac aaai aaar aaav aaba aabb aabc aabi aaca aacb aacc aaci aack aacr aacv aaib aaic aaii aaka aara aarc aari aava abaa abab abac abai abak abar abb- abba abbb abbi abbr abca abcb abcc abci abcr abia abib abic abir abra abrc abri abva acaa acab acac acai acar acba acca accc acci aci- acia acic acir acr- acra acrc acri acrr acrv acvv aiai aiba aica aicc aicr aiia aiib aiic aiir aika aiki aira airi aiva 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 arva arvi avab avar avcc avia avic avik aviv avra avri avva 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 bava bavi 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 bivi brab brac brai brak brav brca brcb bria bric brik brka brkb brrr brvi caaa caab caac caba cabi cac- caca cacc caci cack cacr caia caib caic caik cair caka cara carb carc cari cark carr cava cavi cbac cbar cbbc cbca cbcc cbcr cbia cbir cbka cbkr cbva cbvb cbvr ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccv ccic ccii ccir cciv ccra ccrc ccri ccvi ciaa ciak ciar ciba cibc cibi cica cicc cici cicr ciia ciii cika cikr cira cirb circ ciri cirk cirr civa civc ckac ckbc ckbi ckck ckcv ckrc crab crac crai crar crbc crca crcc crcr cria crib cric crik crkc cvac cvar cvca cvcc cvii cvra cvrr iaaa iaac iaai iaba iaca iacc iacr iaia iara iarc iava 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 ivai ivak ivar ivbv ivic k-ci kaaa kaab kaai kaak kaar kaba kabb kabc kabi kabr kacb kacc kaci kacv kaia kaib kaic kaii kaik kair kaka kakc kaki kakk kara karb kari kark karr karv kava kavb kavi kavv kbaa kbab kbac kbai kbak kbar kbba kbbb kbbc kbbi kbbk kbbr kbca kbcb kbci kbck kbcr kbia kbib kbic kbik kbkb kbkk kbkr kbkv kbra kbrb kbrc kbri kbrk kbrv kbva kbvb kbvc kbvr kcaa kcab kcac kcai kcar kcav kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kccv kcic kcii kcir kciv kckc kckk kckr kckv kcrc kcri kcrr kcrv kcvi kcvk kcvr kcvv 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 kirv kiva kivi kkaa kkac kkai kkar kkba kkbb kkbi kkbr kkcb kkci kkck kkcr kkia kkic kkik kkkk kkrb kkrc kkrk kkrr kkrv kkvr kkvv krab krac krai krak krar krav krba krbb krbi krbk krbr krca krcb krcc krci kria krib krik kriv krka krkc krki krkk krkr krkv krrb krrc krri krrk krrr krva krvb krvc krvi krvk krvr krvv kvab kvak kvar kvbc kvbr kvcb kvcc kvci kvck kvcr kvcv kvic kvik kvir kviv kvra kvrc kvri kvrr kvrv kvvr kvvv raab raak raba rabb rabi rabk rac- raca racc raci rack racv raia raic raii raik rair raka raki rakk rara rarb rari rark rava ravi rbbb rbbr rcac rcbc rccb rccc rcic rcvr riaa riab riai riak rib- riba rica ricc rick riia rika riki rikk riri riva rrrr rv-c rvca rvik vaar vaca vack vaia vaik vair vaka vaki vara vari vark varr vava vbcc vcbi vcci viar vic- vica vici vick viii viik vika viki vira virb virc viri virk virr viva vivi vrac vrai vrak vrav vrba vrci vria vvvv