-ic a-a a-b a-c a-i aaa aab aac aah aai aao aar ab- aba abb abc abh abi abo abr ac- aca acb acc ach aci aco acr aha ahb ahc ahh ahi aho ahr ai- aia aib aic aih aii aio air aoa aob aoc aoh aoi aoo aor ar- ara arb arc arh ari aro arr baa bab bac bah bai bao bar bba bbb bbc bbh bbi bbo bbr bca bcb bcc bch bci bco bcr bha bhb bhc bhh bhi bho bhr bi- bia bib bic bih bii bio bir boa bob boc boh boi boo bor bra brb brh bri bro brr c-- caa cab cac cah cai cao car cba cbb cbc cbh cbi cbo cbr cca ccb ccc cch cci cco ccr ch- cha chb chc chh chi cho chr ci- cia cib cic cih cii cio cir co- coa cob coc coh coi coo cor cra crb crc crh cri cro crr h-i haa hab hac hah hai hao har hba hbb hbc hbh hbi hbo hbr hca hcb hcc hch hci hco hcr hha hhb hhc hhh hhi hho hhr hia hib hic hih hii hio hir hoa hob hoc hoh hoi hoo hor hr- hra hrb hrc hrh hri hro hrr ia- iaa iab iac iah iai iao iar iba ibb ibc ibh ibi ibo ibr ica icb icc ich ici ico icr iha ihb ihc ihh ihi iho ihr iia iib iic iih iii iio iir io- ioa iob ioc ioh ioi ioo ior ir- ira irb irc iri iro irr o-i oaa oab oac oah oai oao oar ob- oba obb obc obh obi obo obr oc- oca ocb occ och oci oco ocr oha ohc ohh ohi oho ohr oia oib oic oii oio oir oo- ooa oob ooc ooh ooi ooo oor or- ora orb orc orh ori oro orr ra- raa rab rac rah rai rao rar rba rbb rbc rbh rbi rbo rbr rca rcb rcc rch rci rco rcr rh- rha rhb rhc rhh rhi rho rhr ria rib ric rih rii rio rir roa rob roc roh roi roo ror rra rrb rrc rrh rri rrr

a-ha a-ii aaaa aaab aaac aaah aaai aaar aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aaco aacr aaha aaib aaic aaii aaoo aara aarc aari aaro abaa abab abac abai abar abb- abba abbb abbi abbo abbr abca abcb abcc abch abci abcr abha abhi abho abhr abia abib abic abir aboa abob aboh aboo abor abra abrc abri abro acaa acab acac acai acar acba acca accc acch acci acco acha achh achi acho achr aci- acia acic acir acoa acoh acor acr- acra acrc acri acro acrr ahab ahac ahah ahai ahar ahha ahio ahir ahoa ahor ahra ahrc ahrr aiai aiba aibo aica aicc aich aicr aiha aiho aiia aiib aiic aiir aioc aioi aira airh airi airo aoah aoba aoca aora aorb arab arac arah arai arar arba arbh arbi arc- arca arch arci arco arh- aria arib arii ario aroa arob aroi aroo aror arr- arra arrc arrh arri arro arrr ba-i baaa baah baar baba babb babi babo babr bac- baca bacc bach baci baco baha bahi baho bahr baia baib baic baio bair baoh bar- bara barb barc barh bari baro barr bbbb bbch bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcor bcra bhai bhao bhar bhca bhcc bhir bhoi bhor bhra biao biar biba bibb bibi bibo bica bicc bich bici bico biha bihi bio- bioc bioi bira birb biri biro birr boab boac boai boar boba bobb bobi bobo boca boch boco boha boho bohr boi- boii boob booc booh boor bor- bora borh bori boro borr brab brac brah brai brao brca brcb bria bric brih brio broa brob broc broh broo bror brrr c-bo caaa caab caac caah caba cabi cabo cac- caca cacc cach caci caco cacr caha caia caib caic caio cair caoi caor cara carb carc cari caro carr cbac cbar cbbc cbca cbcc cbcr cbha cbia cbir cbrh ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccha cchr ccic ccii ccir ccob ccoc ccra ccrc ccri chaa chab chac chah chai chao char chca chch chci chha chia chib chic chih chir choc choh choi choo chor chra chrb chrc chro chrr ciaa ciao ciar ciba cibc cibi cibo cica cicc cich cici cico cicr cihr ciia ciii ciob cior cira cirb circ cirh ciri ciro cirr coai coba cobb cobh cobi cobo coca coch coco coha coho coia coir coob cooh cor- cora corb corc cori coro corr crab crac crai crar crbc crca crcc crcr cria crib cric crob croc croh croo cror h-ii haab haar haba habi habo haco haha haho hair haor hara harc harh hari haro harr hbar hbic hbio hboc hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hiaa hiab hiar hiba hibi hicc hich hico hihc hihi hiho hiob hioc hira hiri hiro hoac hoai hoar hoba hobo hoca hoch hocr hoha hoho hoir hoor hora horc hori horo horr hrac hrib hrob hrrc iaaa iaac iaai iaba iaca iacc iacr iahc iaia iara iarc ibac ibar ibca ibia ibra ibrc ibri ibro icaa icab icac icai icao icar icbc icca iccb iccc icci icco iccr ichc ichi icho ichr icoc icor icra icrc icrr ihab ihba ihcc ihob ihra ihrc iiac iica iiii iiio iioi iioo iira iirc ioba iobi ioci ioii ioio iooi iooo iora iori irac irai irao irar irca ircc iri- iria iric irio irob iroc iroh irra irrc irri oaic oara obai obba obbo obia oboi obor obra obrh obri obro ocab ocac ocbc occa occc occi ocha ochi ocra ocro ocrr ohai ohba ohcc ohhi ohho ohia ohio ohob ohoh ohra oiba oici oiii oira ooaa ooba oobi oocr ooha ooho ooia oooh oooo oora orab orac orah orai orao orar orba orbb orbi orbo orca orch orci orco