-ic a-a a-b a-c a-i aaa aab aac aah aai aak aao aar ab- aba abb abc abh abi abk abo abr ac- aca acb acc ach aci ack aco acr aha ahb ahc ahh ahi ahk aho ahr ai- aia aib aic aih aii aik aio air aka akb akc akh aki akk ako akr aoa aob aoc aoh aoi aok aoo aor ar- ara arb arc arh ari ark aro arr baa bab bac bah bai bak bao bar bba bbb bbc bbh bbi bbk bbo bbr bca bcb bcc bch bci bck bco bcr bha bhb bhc bhh bhi bhk bho bhr bi- bia bib bic bih bii bik bio bir bka bkb bkc bkk bko bkr boa bob boc boh boi bok boo bor bra brb brh bri brk bro brr c-- caa cab cac cah cai cak cao car cba cbb cbc cbh cbi cbk cbo cbr cca ccb ccc cch cci cck cco ccr ch- cha chb chc chh chi chk cho chr ci- cia cib cic cih cii cik cio cir cka ckb ckc ckh cki cko co- coa cob coc coh coi cok coo cor cra crb crc crh cri crk cro crr h-i haa hab hac hah hai hak hao har hba hbb hbc hbh hbi hbk hbo hbr hca hcb hcc hch hci hck hco hcr hha hhb hhc hhh hhi hhk hho hhr hia hib hic hih hii hik hio hir hka hkb hkh hki hkk hko hkr hoa hob hoc hoh hoi hok hoo hor hr- hra hrb hrc hrh hri hrk hro hrr ia- iaa iab iac iah iai iao iar iba ibb ibc ibh ibi ibk ibo ibr ica icb icc ich ici ick ico icr iha ihb ihc ihh ihi ihk iho ihr iia iib iic iih iii iio iir ika ikb ikc iki ikk iko ikr io- ioa iob ioc ioh ioi ioo ior ir- ira irb irc iri irk iro irr ka- kaa kab kac kah kai kak kao kar kba kbb kbc kbh kbi kbk kbo kbr kca kcb kcc kch kci kck kcr kha khh khi khk kho khr kia kib kic kih kii kik kio kir kkb kkc kkh kki kkk kkr koa kob koc koh koi kok koo kor kra krc kri krk kro krr o-i oaa oab oac oah oai oak oao oar ob- oba obb obc obh obi obk obo obr oc- oca ocb occ och oci ock oco ocr oha ohc ohh ohi oho ohr oia oib oic oii oik oio oir oka okb okc oki okk oko okr oo- ooa oob ooc ooh ooi ook ooo oor or- ora orb orc orh ori ork oro orr ra- raa rab rac rah rai rak rao rar rba rbb rbc rbh rbi rbk rbo rbr rca rcb rcc rch rci rco rcr rh- rha rhb rhc rhh rhi rho rhr ria rib ric rih rii rik rio rir rkb rkc rkk rko roa rob roc roh roi rok roo ror rra rrb rrc rrh rri rrk rrr

a-ak a-ha a-ii a-ok aaaa aaab aaac aaah aaai aaar aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aack aaco aacr aaha aahk aaib aaic aaii aaka aaoo aara aarc aari aaro abaa abab abac abai abak abar abb- abba abbb abbi abbo abbr abca abcb abcc abch abci abcr abha abhi abho abhr abia abib abic abir aboa abob aboh abok 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 ahok ahor ahra ahrc ahrr aiai aiba aibo aica aicc aich aicr aiha aiho aiia aiib aiic aiir aika aiki aiko aioc aioi aira airh airi airo akaa akah akai akao akar akca akha akia akik akio akir akka akki akko akok akr- akra aoah aoba aoca aoki aora aorb arab arac arah arai arak arar arba arbh arbi arc- arca arch arci arco arh- aria arib arii arik ario arka arkh arki arko aroa arob aroi aroo aror arr- arra arrc arrh arri arrk arro arrr ba-i baaa baah baak baar baba babb babi babo babr bac- baca bacc bach baci back baco baha bahi baho bahr baia baib baic baik baio bair bak- baka bakh baki bako bakr baoh bar- bara barb barc barh bari bark baro barr bbbb bbch bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcor bcra bhai bhao bhar bhca bhcc bhir bhoi bhor bhra biak biao biar biba bibb bibi bibo bica bicc bich bici bick bico biha bihi bikh biko bio- bioc bioi bira birb biri birk biro birr boab boac boai boak boar boba bobb bobi bobo boca boch bock boco boha boho bohr boi- boii boka boki boko boob booc booh book boor bor- bora borh bori bork boro borr brab brac brah brai brak brao brca brcb bria bric brih brik brio brka brkb broa brob broc broh brok broo bror brrr c-bo caaa caab caac caah caba cabi cabo cac- caca cacc cach caci cack caco cacr caha caia caib caic caik caio cair caka caoi caor cara carb carc cari cark caro carr cbac cbar cbbc cbca cbcc cbcr cbha cbia cbir cbka cbko cbkr 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 chak chao char chca chch chci chha chia chib chic chih chik chir chka chkb choc choh choi chok choo chor chra chrb chrc chro chrr ciaa ciak ciao ciar ciba cibc cibi cibo cica cicc cich cici cico cicr cihr ciia ciii cika ciko cikr ciob cior cira cirb circ cirh ciri cirk ciro cirr ckac ckbc ckbi ckch ckck ckco ckoa ckob ckoc ckoi ckoo ckor ckrc coai coak coba cobb cobh cobi cobo