a-ii aaaa aaab aaac aaai aaal aaar aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aaco aacr aaib aaic aaii aala aalc aali aall aalo aaoo aara aarc aari aaro abaa abab abac abai abal abar abb- abba abbb abbi abbo abbr abca abcb abcc abci abcl abcr abia abib abic abil abir abla ablo aboa abob abol aboo abor abra abrc abri abro acaa acab acac acai acar acba acbl acca accc acci acco aci- acia acic acir acla aclc acli aclr acoa acol acor acr- acra acrc acri acro acrr aiai aiba aibl aibo aica aicc aicr aiia aiib aiic aiir aila aili aioc aioi aira airi airo alaa alac alai alal alao alar alb- alba albc albi albo alca alcc alco ali- alia alib alii alil alio alir all- alla alli alll allo allr aloa aloc aloi alol aloo alor alro aoba aoca aola aora aorb arab arac arai aral arar arba arbi arc- arca arci arco aria arib arii aril ario arla arli arlo aroa arob aroi aroo aror arr- arra arrc arri arro arrr ba-i baaa baal baar baba babb babi babo babr bac- baca bacc baci baco baia baib baic bail baio bair bala balc bali ball balo baol bar- bara barb barc bari baro barr bbbb bbci bblb bbrc bcaa bcar bcbc bcca bccc bcci bccl bcia bcor bcra bial biao biar biba bibb bibi bibl bibo bica bicc bici bico bila bili bill bilo bio- bioc bioi biol bira birb biri birl biro birr blaa blab blac blic blio blir blob bloc bloo blrc boab boac boai boal boar boba bobb bobi bobo boca boco boi- boii boil bola boli boll bolo boob booc bool boor bor- bora bori boro borr brab brac brai brao brca brcb bria bric bril brio broa brob broc brol broo bror brrr c-bo caaa caab caac caal caba cabi cabo cac- caca cacc caci caco cacr caia caib caic cail caio cair cala calc cali call calo caoi caol caor cara carb carc cari carl caro carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbia cbir cblb cblc cbol cbrl ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci cccl ccic ccii ccil ccir ccla cclc ccli ccob ccoc ccra ccrc ccri ccrl ciaa cial ciao ciar ciba cibc cibi cibo cica cicc cici cico cicr ciia ciii cila cili cill cilo ciob cior cira cirb circ ciri cirl ciro cirr clab clai clar clib clic clii clio clir clob cloo clor clra clri clro coai coal coba cobb cobi cobo coca coco coia coil coir col- cola colb coli coll colo coob cool cor- cora corb corc cori corl coro corr crab crac crai crar crbc crca crcc crcr cria crib cric crob croc crol croo cror iaaa iaac iaai iaal iaba iaca iacc iacr iaia iala iall iara iarc ibac ibar ibca ibia ibra ibrc ibri ibro icaa icab icac icai ical icao icar icbc icca iccb iccc icci iccl icco iccr icll iclr icoc icor icra icrc icrr iiac iica iiii iiio iila iioi iioo iira iirc ilac ilal ilar ilbc ilca ilia ilic ilio ilir ill- illa illi illo iloc iloo ioba iobi ioci ioii ioio iola iolo iooi iooo iora iori irac irai iral irao irar irca ircc iri- iria iric iril irio irla irlb irob iroc irra irrc irri laaa laac laal laar laba labi labo labr laca lacc laci lacl laco laia laic lail lair lala lali lall lalo lara larb larc lari larr lbar lbcc lbia lblr lcac lcbc lcca lccc lcia lcor lcra lcrl liac liao liar liba libc libo libr lica lico licr liia liii liir lila lilb lili lill lilo lio- lior lira lirc liri lirl liro lirr llao llcc lllc llll lloa lloc lloo loac loar lob- loba lobb lobi lobo loca locc loci loco loic loir lola loli loll lolo loob looc lool loor lora lori loro lrac lral lrba lric lroc lroi lrrc lrrr oaic oall oara obai obal obba obbo obia obla oboi obol obor obra obri obro ocab ocac ocal ocbc occa occc occi oclc ocra ocrl ocro ocrr oiba oici oiii oila oira olac olar olba olbo olca olcc olia olib olic olio olla olli ollo olor ooaa ooba oobi oocr ooia oola oolo oooo oora orab orac orai oral orao orar orba orbb orbi orbo orca orci orco ori- oria oric oril orio orla orlo oro- oror orra orri orro raab raba rabb rabi rabl rabo rac- raca racc raci raco raia raic raii rail rair rala ralb rall ralo raob raoc raol rara rarb rari raro rbbb rbbr rbcl rcac rcbc rcbo rccb rccc rcic riaa riab riai rial rib- riba ribo rica ricc rico riia rila rill rilo riol riri rlab roab roar rob- roba robb robi robo roca rocc roco roia roil roio roir rola roll rolo roob rooi rool roor rora rorc rori roro rrrr