-ic a-a a-b a-c a-i aaa aab aac aah aai aak aar ab- aba abb abc abh abi abk abr ac- aca acb acc ach aci ack acr aha ahb ahc ahh ahi ahk ahr ai- aia aib aic aih aii aik air aka akb akc akh aki akk akr ar- ara arb arc arh ari ark arr baa bab bac bah bai bak bar bba bbb bbc bbh bbi bbk bbr bca bcb bcc bch bci bck bcr bha bhb bhc bhh bhi bhk bhr bi- bia bib bic bih bii bik bir bka bkb bkc bkk bkr bra brb brh bri brk brr c-- caa cab cac cah cai cak car cba cbb cbc cbh cbi cbk cbr cca ccb ccc cch cci cck ccr ch- cha chb chc chh chi chk chr ci- cia cib cic cih cii cik cir cka ckb ckc ckh cki cra crb crc crh cri crk crr h-i haa hab hac hah hai hak har hba hbb hbc hbh hbi hbk hbr hca hcb hcc hch hci hck hcr hha hhb hhc hhh hhi hhk hhr hia hib hic hih hii hik hir hka hkb hkh hki hkk hkr hr- hra hrb hrc hrh hri hrk hrr ia- iaa iab iac iah iai iar iba ibb ibc ibh ibi ibk ibr ica icb icc ich ici ick icr iha ihb ihc ihh ihi ihk ihr iia iib iic iih iii iir ika ikb ikc iki ikk ikr ir- ira irb irc iri irk irr ka- kaa kab kac kah kai kak kar kba kbb kbc kbh kbi kbk kbr kca kcb kcc kch kci kck kcr kha khh khi khk khr kia kib kic kih kii kik kir kkb kkc kkh kki kkk kkr kra krc kri krk krr ra- raa rab rac rah rai rak rar rba rbb rbc rbh rbi rbk rbr rca rcb rcc rch rci rcr rh- rha rhb rhc rhh rhi rhr ria rib ric rih rii rik rir rkb rkc rkk rra rrb rrc rrh rri rrk rrr

a-ak a-ha a-ii aaaa aaab aaac aaah aaai aaar aaba aabb aabc aabh aabi aaca aacb aacc aach aaci aack aacr aaha aahk aaib aaic aaii aaka aara aarc aari abaa abab abac abai abak abar abb- abba abbb abbi abbr abca abcb abcc abch abci abcr abha abhi abhr abia abib abic abir abra abrc abri acaa acab acac acai acar acba acca accc acch acci acha achh achi achr aci- acia acic acir acr- acra acrc acri acrr ahab ahac ahah ahai ahar ahha ahir ahra ahrc ahrr aiai aiba aica aicc aich aicr aiha aiia aiib aiic aiir aika aiki aira airh airi akaa akah akai akar akca akha akia akik akir akka akki akr- akra arab arac arah arai arak arar arba arbh arbi arc- arca arch arci arh- aria arib arii arik arka arkh arki arr- arra arrc arrh arri arrk arrr ba-i baaa baah baak baar baba babb babi babr bac- baca bacc bach baci back baha bahi bahr baia baib baic baik bair bak- baka bakh baki bakr bar- bara barb barc barh bari bark barr bbbb bbch bbci bbrc bcaa bcar bcbc bcca bccc bcci bcia bcra bhai bhar bhca bhcc bhir bhra biak biar biba bibb bibi bica bicc bich bici bick biha bihi bikh bira birb biri birk birr brab brac brah brai brak brca brcb bria bric brih brik brka brkb brrr caaa caab caac caah caba cabi cac- caca cacc cach caci cack cacr caha caia caib caic caik cair caka cara carb carc cari cark carr cbac cbar cbbc cbca cbcc cbcr cbha cbia cbir cbka cbkr cbrh ccaa ccab ccac ccai ccar ccba ccbc ccca cccb cccc ccci ccha cchr ccic ccii ccir ccra ccrc ccri chaa chab chac chah chai chak char chca chch chci chha chia chib chic chih chik chir chka chkb chra chrb chrc chrr ciaa ciak ciar ciba cibc cibi cica cicc cich cici cicr cihr ciia ciii cika cikr cira cirb circ cirh ciri cirk cirr ckac ckbc ckbi ckch ckck ckrc crab crac crai crar crbc crca crcc crcr cria crib cric crik crkc h-ii haab haak haar haba habi hack haha haik hair haka haki hakk hara harc harh hari hark harr hbar hbic hcbc hcca hccb hccc hcch hchi hhaa hhhh hi-c hiaa hiab hiar hiba hibi hicc hich hick hihc hihi hiki hira hiri hirk hkcc hkir hrac hrib hrrc iaaa iaac iaai iaba iaca iacc iacr iahc iaia iara iarc ibac ibar ibca ibia ibra ibrc ibri icaa icab icac icai icar icbc icca iccb iccc icci iccr ichc ichi ichr icra icrc icrr ihab ihba ihcc ihra ihrc iiac iica iiii iira iirc ikar ikki ikra ikri irac irai irak irar irca ircc iri- iria iric irka irki irra irrc irri k-ci kaaa kaab kaai kaak kaar kaba kabb kabc kabi kabr kacb kacc kach kaci kaha kahc kahi kahr kaia kaib kaic kaii kaik kair kaka kakc kakh kaki kakk kara karb kari kark karr kbaa kbab kbac kbai kbak kbar kbba kbbb kbbc kbbi kbbk kbbr kbca kbcb kbch kbci kbck kbcr kbhb kbhc kbhh kbhi kbhr kbia kbib kbic kbik kbkb kbkk kbkr kbra kbrb kbrc kbrh kbri kbrk kcaa kcab kcac kcah kcai kcar kcba kcbc kcbi kcbk kcbr kcca kccb kccc kcci kcck kccr kcha kchh kchi kchk kchr kcic kcii kcir kckc kckk kckr kcrc kcrh kcri kcrr khab khac khai khak khar khbc khbr khca khcb khcc khch khck khhk khia khic khii khka khki khkk khkr khra khri khrk khrr kiab kiac kiah kiai kiar kiba kibb kibc kibi kibr kica kicb kicc kick kicr kiha kihc kihh kihi kihk kihr kiia kiic kiii kiik kika kikc kiki kikk kikr kira kirb kirc kiri kirk kirr kkaa kkac kkai kkar kkba kkbb kkbi kkbr kkcb kkch kkci kkck kkcr kkha kkhb kkhh kkhi kkhk kkhr kkia kkic kkik kkkk kkrb kkrc kkrh kkrk kkrr