a-a a-b a-c aaa aab aac aao aap aar ab- aba abb abc abo abp abr ac- aca acb acc aco acp acr aoa aob aoc aoo aop aor ap- apa apb apc apo app apr ar- ara arb arc aro arp arr b-p baa bab bac bao bap bar bba bbb bbc bbo bbp bbr bca bcb bcc bco bcp bcr boa bob boc boo bop bor bpa bpb bpc bpo bpp bpr bra brb bro brp brr c-- caa cab cac cao cap car cba cbb cbc cbo cbp cbr cca ccb ccc cco ccp ccr co- coa cob coc coo cop cor cpa cpb cpc cpo cpp cpr cra crb crc cro crp crr oaa oab oac oao oap oar ob- oba obb obc obo obp obr oc- oca ocb occ oco ocp ocr oo- ooa oob ooc ooo oop oor op- opa opb opc opo opp opr or- ora orb orc oro orp orr p-p paa pab pac pao pap par pba pbb pbc pbo pbp pbr pca pcb pcc pco pcp pcr poa pob poc poo pop por ppa ppb ppc ppo ppp ppr pra prb prc pro prp prr ra- raa rab rac rao rap rar rba rbb rbc rbo rbp rbr rca rcb rcc rco rcp rcr roa rob roc roo rop ror rpa rpb rpc rpo rpp rpr rra rrb rrc rrp rrr

aaaa aaab aaac aaap aaar aaba aabb aabc aabp aaca aacb aacc aaco aacp aacr aaoo aapa aapc aapo aara aarc aaro aarp abaa abab abac abap abar abb- abba abbb abbo abbr abca abcb abcc abcp abcr aboa abob aboo abor abpa abpc abpp abpr abra abrc abro acaa acab acac acap acar acba acca accc acco accp acoa acop acor acpa acpr acr- acra acrc acro acrr aoba aoca aopo aora aorb apac apao apap apar apba apbr apca apcb apcc apco apcr apo- apoc apoo apop apor appa appc appr apra aprc apro arab arac arap arar arba arc- arca arco aroa arob aroo aror arpa arr- arra arrc arro arrr baaa baar baba babb babo babr bac- baca bacc baco bapa bapc bapp bar- bara barb barc baro barr bbbb bbpr bbrc bcaa bcap bcar bcbc bcbp bcca bccc bcor bcpp bcra boab boac boar boba bobb bobo boca boco boob booc boop boor bopa bopp bor- bora boro borr bpcp bprc brab brac brao brca brcb broa brob broc broo bror brrr c-bo caaa caab caac caap caba cabo cac- caca cacc caco cacr caor capa capb capc capo capp cara carb carc caro carp carr cbac cbar cbbc cbca cbcc cbcp cbcr cbpc cbpp ccaa ccab ccac ccap ccar ccba ccbc ccca cccb cccc cccp ccob ccoc ccpa ccpp ccpr ccra ccrc ccrp coba cobb cobo coca coco cocp coob coop copa copo copp copr cor- cora corb corc coro corp corr cpaa cpac cpap cpbc cpca cppa crab crac crap crar crbc crca crcc crcr crob croc croo crop cror crpc oara obba obbo obor obra obro ocab ocac ocap ocbc occa occc ocpa ocpp ocra ocro ocrr ooaa ooba oocr oooo oora opap opar opca opo- opor oppa oppo opra orab orac orao orar orba orbb orbo orca orco oro- oror orpc orra orro paap paar paba paca paco paoc papa papb papp papr par- para parc paro parp parr pbac pbar pbcc pboc pbpa pcaa pcap pcba pcbc pcca pccc pcoa pcpb pcpp pcra pcrc poar poba pobo poca poco poop poor pop- popa popc popo popp pora porb porc poro porr ppac ppap ppar ppcc ppoa pppa pppo pppp pprc prao prar prbc prca prcc prcp pro- proa prob proc proo prop raab raba rabb rabo rac- raca racc raco raob raoc raop rapa rapc rapp rara rarb raro rbbb rbbr rcac rcbc rcbo rccb rccc rcpo roab roap roar rob- roba robb robo roca rocc roco roob roop roor ropa ropo rora rorc roro rpca rpob rrrr

-aaa- -cpca a-a-p a-pac aaaoc aaarc aabaa aabba aabra aacap aacbc aacbp aaccp aacpa aacpp aacpr aarop abaab ababa abaca abaco abapo abara abbac abbar abccc aboab abobo abora aborc abrac abrar acaca acacb acapp acar- acara accra acopa acrab acro- acrob apapa apar- apara apcbc apcor apoco apoop apoor apopa apopo aporo appar appro ar-ab ara-c arab- araba arabo araca araco arara arbab arbar arbor arcoa arcop arcor aroab aroar aroba aroor aropa arora arpar baaop babar baboo babra bacab bacao bacar bacca bacco baoro bapco baraa barab barac barao barar barba barca barco baro- baroa baroo baror barra barro bo-bo boaco boaro bobac bobar boboc bobr bocac bocao bocar bocca bocoa bocor booba booco boora borac borba borbo borca boro- boroa boroo borra borro braca bracc braco brobo broca brora brrar brrrr c-a-c c-cor c-p-c c-pop ca-ca caaba cabob caboc cabra cacao caco- cacoa caoba capab capac capar capco capoc cappa cappo capra caraa carab carac carap carb- carbo caroa carob carp- carpa carpo carra carro ccccc co-bo co-co co-op coarb coarc cobar cobra cocao cocc- cocco cocoa cooba copac copap copar coppa coppo copr- copra copro corba corbo corca coro- corop corpa corra craba crabb crabp craco crapo croco croop cropc cropo o-r-b oarac oaror obaba obara obora oboro obrab ocara ocaro occar occra ocopa ocora ocr-a ocr-b ooooo opaac opaca opara opobo oraba orapa orara orcop orobo oroco oropa orrca paara paarp pabbo pabra pacoa pacra paoca paoro papa- papar papoc papop pappa pappo para- parao parca parcc parco paroa paroo parr- parra parro pcrab po-po pobra pocao pocar pocop poopo poora popco popop poppa poppo porab porac porba porco poro- porra porro pppoa praca proac proap proba probo proca proor prop- propp propr prora r-co- ra-ra raaba raaor rabab rabac rabap rabba rabor rapar rapor rappa rccar ro-ro robab robar robbo robo- robop robor rocar rocca rocco rocoa rocor rooba roopa ropar rorra rprop

aaaaba aabroo aacrao abacab abarca abaroa abobra acaro- accara apora apraca apropo arabo- aracar ararao arbra arcaro aroaco arpora arraba arroba baabaa