a-a a-b a-c aaa aab aac aar aav ab- aba abb abc abr abv ac- aca acb acc acr acv ar- ara arb arc arr arv av- ava avb avc avr baa bab bac bar bav bba bbb bbc bbr bca bcb bcc bcr bcv bra brb brr brv bva bvb bvc bvr bvv c-- caa cab cac car cav cba cbb cbc cbr cbv cca ccb ccc ccr ccv cra crb crc crr crv cva cvb cvc cvr cvv ra- raa rab rac rar rav rba rbb rbc rbr rca rcb rcc rcr rcv rra rrb rrc rrr rva rvb rvc rvr rvv v-a vaa vab vac var vav vba vbc vbr vbv vca vcc vcr vra vrb vrc vrr vva vvb vvc vvr vvv

-vac aaaa aaab aaac aaar aaav aaba aabb aabc aaca aacb aacc aacr aacv aara aarc aava abaa abab abac abar abb- abba abbb abbr abca abcb abcc abcr abra abrc abva acaa acab acac acar acba acca accc acr- acra acrc acrr acrv acvv arab arac arar arba arc- arca arr- arra arrc arrr arva avab avar avcc avra avva baaa baar baba babb babr bac- baca bacc bar- bara barb barc barr bava bbbb bbrc bcaa bcar bcbc bcca bccc bcra brab brac brav brca brcb brrr caaa caab caac caba cac- caca cacc cacr cara carb carc carr cava cbac cbar cbbc cbca cbcc cbcr cbva cbvb cbvr ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccv ccra ccrc crab crac crar crbc crca crcc crcr cvac cvar cvca cvcc cvra cvrr raab raba rabb rac- raca racc racv rara rarb rava rbbb rbbr rcac rcbc rccb rccc rcvr rrrr rv-c rvca vaar vaca vara varr vava vbcc vrac vrav vrba vvvv

-aaa- aaarc aabaa aabba aabra aacbc abaab ababa abaca abara abava abbac abbar abccc abrac abrar acaca acacb acar- acara accra acrab ar-ab ara-c arab- araba araca arara arava arbab arbar arvar avara baava babar babra bacab bacar bacca baraa barab barac barar barba barca barra barva bavar bavra braca bracc brava brrar brrrr c-a-c ca-ca caaba cabra caraa carab carac carb- carra carva cavac ccccc craba crabb ra-ra raaba rabab rabac rabba ravar ravca rccar vaara vacca varab varca varra varva vavar vavra vraca

aaaaba abacab abarca accara aracar arbra arraba avarca baabaa baabar babarc babbar bacaba baccar baraca barara barbar barbra barcar bbbbbb bracca cabar cabara cabarr caraca carara carcar carvac cavarc cracca rababa varbar varrar varvar vracar vvvvvv

aravaca baabarr babacar bac-cab bacara bacarra baccara barabra barbara bbbbbbb caracca carraca carrara cra-cra crcavac varvara

bar-abba barabara bbbbbbbb caracara cararara

baabaabaa

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc