a-a a-b a-c aaa aab aac aag aao aar aav ab- aba abb abc abg abo abr abv ac- aca acb acc acg aco acr acv ag- aga agb agc agg ago agr agv aoa aob aoc aog aoo aor aov ar- ara arb arc arg aro arr arv av- ava avb avc avg avo avr baa bab bac bag bao bar bav bba bbb bbc bbg bbo bbr bca bcb bcc bcg bco bcr bcv bga bgb bgc bgg bgo bgr bgv boa bob boc bog boo bor bov bra brb brg bro brr brv bva bvb bvc bvg bvo bvr bvv c-- caa cab cac cag cao car cav cba cbb cbc cbg cbo cbr cbv cca ccb ccc ccg cco ccr ccv cga cgb cgc cgg cgo cgr cgv co- coa cob coc cog coo cor cov cra crb crc crg cro crr crv cva cvb cvc cvg cvo cvr cvv gaa gab gac gag gao gar gav gba gbc gbg gbo gbr gbv gca gcb gcc gcg gco gcr gga ggb ggc ggg ggo ggr ggv goa gob goc gog goo gor gov gra grb grc grg gro grr grv gva gvb gvc gvg gvo gvr oaa oab oac oag oao oar oav ob- oba obb obc obg obo obr obv oc- oca ocb occ ocg oco ocr ocv oga ogc ogg ogo oo- ooa oob ooc oog ooo oor oov or- ora orb orc org oro orr orv ov- ova ovb ovc ovo ovv ra- raa rab rac rag rao rar rav rba rbb rbc rbg rbo rbr rca rcb rcc rcg rco rcr rcv rga rgb rgc rgg rgo rgr rgv roa rob roc rog roo ror rov rra rrb rrc rrg rrr rva rvb rvc rvg rvo rvr rvv v-a vaa vab vac vag vao var vav vba vbc vbg vbo vbr vbv vca vcc vco vcr vga vgc vgg vgo vgr voa vob voc vog voo vor vov vra vrb vrc vrg vrr vva vvb vvc vvg vvo vvr vvv

-vac aaaa aaab aaac aaar aaav aaba aabb aabc aaca aacb aacc aaco aacr aacv aaoo aara aarc aaro aava abaa abab abac abag abar abb- abba abbb abbo abbr abca abcb abcc abcr aboa abob aboo abor abov abra abrc abro abva acaa acab acac acag acar acba acca accc acco acga acgr acoa acog acor acr- acra acrc acro acrr acrv acvv ag-o agac agag agao agar agav agba agbo agca agcc agco agga agob agog agoo agra agro agva aoba aoca aora aorb arab arac arag arar arba arc- arca arco arga argb argo aroa arob aroo aror arr- arra arrc arrg arro arrr arva arvo avab avao avar avcc avco avgo avor avra avro avva avvo baaa baar baba babb babo babr bac- baca bacc baco baga bagg bago bar- bara barb barc barg baro barr bava bbbb bbga bbrc bbrg bcaa bcar bcbc bcbg bcca bccc bcor bcra bcvo bgca boab boac boag boar boba bobb bobo boca boco boga bogg bogo boob booc boog boor bor- bora borg boro borr bova bovo brab brac brag brao brav brca brcb broa brob broc brog broo bror brrr c-bo caaa caab caac caba cabg cabo cac- caca cacc caco cacr caga cagg cago cagr caor cara carb carc caro carr cava cavo cbac cbar cbbc cbca cbcc cbcr cbga cbgb cbva cbvb cbvg cbvr ccaa ccab ccac ccag ccar ccba ccbc ccca cccb cccc cccv ccga ccgc ccob ccoc ccra ccrc ccrg ccvo cgac cgcc cgcg cgro coag coba cobb cobo coca coco cogo coob cor- cora corb corc corg coro corr cova covo crab crac crag crar crbc crca crcc crcr crob croc croo cror cvac cvar cvca cvcc cvra cvrg cvrr gaar gaba gabb gabo gabr gaga gagg gago gara garb garg garo garr garv gava gbag gbbo gc-c gcaa gcbc gccc gcoa gcov gcrg gggg goar goba gobo goca gocr goga gogo goog goor gora gorb gorg goro gorr grab grac grav grbr grcc grob groc grog groo gror grov grrr gvvv oara obba obbo obor obra obro ocab ocac ocbc occa occc ocga ocra ocro ocrr ogar ogb ogba ogoa ogog ogra ogro ooaa ooba oocr oooo oora orab orac orao orar orav orba orbb orbo orca orco orga orgo oro- oror orra orro orvr ovar ovo- ovoo ovra raab raag raba rabb rabo rac- raca racc raco racv raga ragg rago raob raoc rara rarb raro rava rbbb rbbr rcac rcbc rcbo rccb rccc rcga rcgc rcrg rcvr rgba roab roag roar rob- roba robb robo roca rocc roco roga rogg rogo roob roog roor rora rorc roro rova rovo rrrr rv-c rvca vaar vaca vaco vag- vaga vagg vara varg varr vava vbcc vbrg vgcc voar voca voga vooc voog voor vor- vora voro vrac vrav vrba vroc vvob vvog vvvv

-aaa- aaaoc aaarc aaarg aabaa aabba aabga aabra aacbc abaab ababa abaca abaco abaga abago abara abava abbac abbar abccc abgar aboab abobo abora aborc abovo abrac abrar acaca acacb acar- acara acccg accra acrab acro- acrob agago agara agaro agava agbor aggag aggar aggro agogo agora agro- agror aooga ar-ab ara-c arab- araba arabo araca araco arago arara arava arbab arbar arbor arcoa arcor argov aroab aroar aroba aroga aroor arora arvar avago avara avaro avgar avoca baava babar baboo babra bacab bacao bacar bacca bacco bagac bagag bagao bagar bagga bagor bagra baoro baraa barab barac barag barao barar barba barca barco barga baro- baroa barog baroo baror barra barro barva bavar bavra bo-bo boaco boaro bobac bobar boboc bobov bobr bocac bocao bocar bocca bocoa bocor bogar bogga bogor bogra booba booco boora borac borba borbo borca borga borgo boro- boroa boroo borov borra borro borvo braca bracc braco braga bragb bragg brava bravo brobo broca broga brora brova brrar brrrr c-a-c c-cor ca-ca caaba cabob caboc cabov cabra cacao caco- cacoa caoba caraa carab carac carag carb- carbo carga cargo caroa carob carra carro carva cavac cavor