a-ii aaaa aaab aaac aaai aaap aaar aaba aabb aabc aabi aabp aabt aaca aacb aacc aaci aaco aacp aacr aact aaib aaic aaii aaoo aapa aapc aapi aapo aapt aara aarc aari aaro aarp aart aata aatc aatt abaa abab abac abai abap abar abat abb- abba abbb abbi abbo abbr abbt abca abcb abcc abci abcp abcr abct abia abib abic abir abit aboa abob aboo abor abot abpa abpc abpi abpp abpr abra abrc abri abro abta ac-t acaa acab acac acai acap acar acat acba acca accc acci acco accp acct aci- acia acic acip acir acoa acop acor acot acpa acpi acpr acpt acr- acra acrc acri acro acrr acta actc acti acto actt aiai aiba aibo aica aicc aicp aicr aiia aiib aiic aiir aioc aioi aipa aipi aira airi airo airp airt aita aiti aitr aitt aoba aoca aopo aora aorb aort aotc apac apai apao apap apar apat apba apbr apca apcb apcc apco apcr api- apia apic apio apip apit apo- apoc apoo apop apor apot appa appc appr appt apra aprc apri apro aprt apta aptc apti aptt arab arac arai arap arar arat arba arbi arc- arca arci arco arct aria arib arii ario arip arit aroa arob aroi aroo aror arpa arpi arr- arra arrc arri arro arrr arrt arta artc arti arto artr at-t ataa atab atac atai atap atar atat atca atcc atco atcr atia atic atip atit atob atoc atoi atop ator atot atpr atra atrc atri atro atrp atta atti atto attp attr ba-i baaa baar baat baba babb babi babo babr bac- baca bacc baci baco bact baia baib baic baio bair bait bapa bapc bapi bapp bapt bar- bara barb barc bari baro barr bart bata batc bati bato batt bbbb bbci bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bcci bcia bcit bcor bcpp bcra bctc biao biap biar biat biba bibb bibi bibo bica bicc bici bico bio- bioc bioi biot bipa bipp bira birb biri biro birr birt bita bitc bito bitt boab boac boai boar boat boba bobb bobi bobo boca boco boi- boii boit boob booc boop boor boot bopa bopp bor- bora bori boro borr bort bota botb boti boto bott bpai bpcp bpot bprc bpti brab brac brai brao brat brca brcb bria bric brio brit broa brob broc broo bror brot brrr brtc btaa btbp btcc btob btor btrc btrt bttb c-bo caaa caab caac caap caat caba cabi cabo cac- caca cacc caci caco cacr caia caib caic caio caip cair cait caoi caor capa capb capc capi capo capp capt cara carb carc cari caro carp carr cart cat- cata catb catc cati cato catt cbac cbar cbat cbbc cbca cbcc cbcp cbcr cbct cbia cbir cbit cbot cbpc cbpp cbrt cbta cbtc ccaa ccab ccac ccai ccap ccar ccat ccba ccbc ccca cccb cccc ccci cccp ccic ccii ccip ccir ccob ccoc ccpa ccpp ccpr ccra ccrc ccri ccrp ccrt cctb cctc cctt ciaa ciao ciar ciat ciba cibc cibi cibo cica cicc cici cico cicr cict ciia ciii ciit ciob cior cipa cipo cipp cira cirb circ ciri ciro cirr cirt cita citb citi cito citp citt coai coat coba cobb cobi cobo coca coco cocp coct coia coip coir coit coob coop coot copa copi copo copp copr copt cor- cora corb corc cori coro corp corr cort cota cotb cotc coti coto cott cpaa cpac cpap cpbc cpca cpia cpic cpio cppa cpri cprt cptp cptr crab crac crai crap crar crat crbc crca crcc crcr cria crib cric crip crit crob croc croo crop cror crot crpc crrt crtc crtp ctab ctba ctbi ctca ctcp ctia ctic ctor ctot ctpo ctpp ctrc ctrp ctta iaaa iaac iaai iaap iaat iaba iaca iacc iacp iacr iact iaia iapa iapp iapt iara iarc iart iata iatc iati ibac ibar ibat ibca ibia ibot ibra ibrc ibri ibro ibtb ibtc icaa icab icac icai icao icap icar icat icbc icbp icca iccb iccc icci icco iccp iccr icct icoc icor icpa icpc icpo icra icrc icrr icrt icta ictp iiac iica iiii iiio iiit iioi iioo iiop iipa iira iirc iita iitr iitt ioba iobi ioci iocp ioii ioio ioit iooi iooo iora iori iota ioto ipac ipat ipba ipca ipcc ipct ipop ippa ippc ippo ippr ipri ipta iptc ipto irac irai irao irap irar irbp irca ircc iri- iria iric irio irip irob iroc irop irpa irpc irra irrc irri irta irti irtp itaa itac itai itap itar itat itia itic itoi itoo itor itpa itpc itra itri itta itto oaic oapi oara obai obba obbo obia obit oboi obor obot obra obri obro ocab ocac ocap ocat ocbc occa occc occi occt ocpa ocpp ocra ocro ocrr oct- octa octi octo oiba oici oiii oipc oira oirt oita oitc oiti ooaa ooba oobi oocr ooia oooo oora oort ootb ootp opap opar opca opia opic opii opio opit opo- opor oppa oppi oppo opra opti opto orab orac orai orao orar orat orba orbb orbi orbo orca orci orco ori- oria oric orio orit oro- oror orot orpc orpi orra orri orro orta ortc orto otac otap otar otic otit oto- otoo otor otpp otra otro otta otti otto paap paar paat paba pabt paca paci paco pact paia paib paio paip pair pait paoc papa papb papi papp papr par- para parc pari paro parp parr part pata pati pato patr patt pbac pbar pbcc pboc pbpa pcaa pcap pcba pcbc pcca pccc pcia pcip pcoa pcpb pcpp pcra pcrc piai piao piat pibb pibi pica picc pici pico picr pict piia piip piob piot pipa pipi pipo pipp pira pirc piri piro pirr pita piti pito pitr pitt poar poat poba pobo poca poco poia poio poop poor poot pop- popa popc popi popo popp popt pora porb porc pori poro porr port pota potc poti poto pott ppac ppap ppar ppcc ppci