-ic a-a a-b a-c a-i aaa aab aac aag aah aai aak aao aar aas aay ab- aba abb abc abg abh abi abk abo abr abs aby ac- aca acb acc acg ach aci ack aco acr acs acy ag- aga agb agc agg agh agi agk ago agr ags agy aha ahb ahc ahg ahh ahi ahk aho ahr ahs ahy ai- aia aib aic aig aih aii aik aio air ais aiy aka akb akc akg akh aki akk ako akr aks aoa aob aoc aog aoh aoi aok aoo aor aos ar- ara arb arc arg arh ari ark aro arr ars ary as- asa asb asc asg ash asi ask aso asr ass asy ay- aya ayc ayh ayi ayk ayo ayr ays baa bab bac bag bah bai bak bao bar bas bay bba bbb bbc bbg bbh bbi bbk bbo bbr bbs bby bca bcb bcc bcg bch bci bck bco bcr bcs bcy bga bgb bgc bgg bgh bgi bgk bgo bgr bgs bha bhb bhc bhg bhh bhi bhk bho bhr bhs bi- bia bib bic big bih bii bik bio bir bis biy bka bkb bkc bkg bkk bko bkr bks boa bob boc bog boh boi bok boo bor bos boy bra brb brg brh bri brk bro brr brs bry bsa bsb bsc bsg bsh bsi bsk bso bsr bss bsy by- bya byc byg byh byi byk byo byr bys c-- caa cab cac cag cah cai cak cao car cas cay cba cbb cbc cbg cbh cbi cbk cbo cbr cbs cby cca ccb ccc ccg cch cci cck cco ccr ccs cga cgb cgc cgg cgh cgi cgo cgr cgs cgy ch- cha chb chc chg chh chi chk cho chr chs chy ci- cia cib cic cig cih cii cik cio cir cis cka ckb ckc ckh cki cko cks cky co- coa cob coc cog coh coi cok coo cor cos coy cra crb crc crg crh cri crk cro crr crs cry csa csb csc csg csh csi csk cso csr css csy cya cyb cyc cyg cyk cyo cyr cys gaa gab gac gag gah gai gak gao gar gas gay gba gbc gbg gbh gbi gbk gbo gbr gbs gby gca gcb gcc gcg gch gci gck gco gcr gcs gga ggb ggc ggg ggh ggi ggo ggr ggs gha ghb ghc ghg ghh ghi gho ghr ghs gia gib gic gig gih gii gik gio gir gis giy gka gkb gkh gko gks goa gob goc gog goh goi gok goo gor gos goy gra grb grc grg grh gri grk gro grr grs gry gsa gsb gsc gsg gsi gsk gso gsr gss gy- gya gyb gyo gyr gys h-i haa hab hac hag hah hai hak hao har has hay hba hbb hbc hbg hbh hbi hbk hbo hbr hbs hby hca hcb hcc hcg hch hci hck hco hcr hcs hcy hga hgb hgc hgg hgh hgi hgk hgo hgr hgs hgy hha hhb hhc hhg hhh hhi hhk hho hhr hhs hhy hia hib hic hig hih hii hik hio hir his hka hkb hkg hkh hki hkk hko hkr hks hoa hob hoc hog hoh hoi hok hoo hor hos hoy hr- hra hrb hrc hrg hrh hri hrk hro hrr hrs hsa hsb hsc hsg hsh hsi hsk hsr hss hsy hy- hya hyb hyc hyg hyh hyi hyo hyr hys hyy ia- iaa iab iac iag iah iai iao iar ias iba ibb ibc ibg ibh ibi ibk ibo ibr ibs iby ica icb icc icg ich ici ick ico icr ics icy iga igb igc igg igh igi igk igo igr igs igy iha ihb ihc ihg ihh ihi ihk iho ihr ihs ihy iia iib iic iih iii iio iir iis ika ikb ikc iki ikk iko ikr iks io- ioa iob ioc iog ioh ioi ioo ior ios ir- ira irb irc irg iri irk iro irr irs iry is- isa isb isc isg ish isi isk iso isr iss isy iya iyc iyo iyr iys iyy ka- kaa kab kac kag kah kai kak kao kar kas kay kba kbb kbc kbh kbi kbk kbo kbr kbs kca kcb kcc kcg kch kci kck kcr kcs kga kgb kgc kgh kgi kgo kgs kgy kha khh khi khk kho khr khs kia kib kic kig kih kii kik kio kir kis kkb kkc kkh kki kkk kkr kks kky koa kob koc kog koh koi kok koo kor kos koy kra krc krg kri krk kro krr krs kry ksa ksb ksc ksg ksh ksi ksk kso ksr kss kya kyc kyo kyr kys o-i oaa oab oac oag oah oai oak oao oar oas ob- oba obb obc obg obh obi obk obo obr obs oby oc- oca ocb occ ocg och oci ock oco ocr ocs oga ogc ogg ogh ogi ogo ogs ogy oha ohc ohg ohh ohi oho ohr ohs oia oib oic oii oik oio oir ois oka okb okc okg oki okk oko okr oks oo- ooa oob ooc oog ooh ooi ook ooo oor oos or- ora orb orc org orh ori ork oro orr ors ory os- osa osb osc osg osh osi osk oso osr oss oya oyi oyo oys ra- raa rab rac rag rah rai rak rao rar ras ray rba rbb rbc rbg rbh rbi rbk rbo rbr rbs rca rcb rcc rcg rch rci rco rcr rcs rga rgb rgc rgg rgh rgi rgk rgo rgr rgs rh- rha rhb rhc rhg rhh rhi rho rhr rhs ria rib ric rig rih rii rik rio rir ris riy rkb rkc rkg rkk rko rks rky roa rob roc rog roh roi rok roo ror ros roy rra rrb rrc rrg rrh rri rrk rrr rrs rsa rsb rsc rsg rsh rsi rsk rso rsr rss ry- rya ryc ryg ryk ryo ryr rys ryy saa