-ic a-a a-b a-c a-i aaa aab aac aag aah aai aan aao aar aas ab- aba abb abc abg abh abi abn abo abr abs ac- aca acb acc acg ach aci acn aco acr acs ag- aga agb agc agg agh agi agn ago agr ags aha ahb ahc ahg ahh ahi ahn aho ahr ahs ai- aia aib aic aig aih aii ain aio air ais an- ana anb anc ang anh ani ann ano anr ans aoa aob aoc aog aoh aoi aon aoo aor aos ar- ara arb arc arg arh ari arn aro arr ars as- asa asb asc asg ash asi asn aso asr ass baa bab bac bag bah bai ban bao bar bas bba bbb bbc bbg bbh bbi bbn bbo bbr bbs bca bcb bcc bcg bch bci bcn bco bcr bcs bga bgb bgc bgg bgh bgi bgn bgo bgr bgs bha bhb bhc bhg bhh bhi bho bhr bhs bi- bia bib bic big bih bii bin bio bir bis bna bnb bnc bng bni bnn bno bnr bns boa bob boc bog boh boi bon boo bor bos bra brb brg brh bri brn bro brr brs bsa bsb bsc bsg bsh bsi bsn bso bsr bss c-- caa cab cac cag cah cai can cao car cas cba cbb cbc cbg cbh cbi cbn cbo cbr cbs cca ccb ccc ccg cch cci ccn cco ccr ccs cga cgb cgc cgg cgh cgi cgn cgo cgr cgs ch- cha chb chc chg chh chi chn cho chr chs ci- cia cib cic cig cih cii cin cio cir cis cn- cna cnb cnc cng cnh cni cnn cno cnr cns co- coa cob coc cog coh coi con coo cor cos cra crb crc crg crh cri crn cro crr crs csa csb csc csg csh csi csn cso csr css gaa gab gac gag gah gai gan gao gar gas gba gbc gbg gbh gbi gbn gbo gbr gbs gca gcb gcc gcg gch gci gcn gco gcr gcs gga ggb ggc ggg ggh ggi ggn ggo ggr ggs gha ghb ghc ghg ghh ghi ghn gho ghr ghs gia gib gic gig gih gii gin gio gir gis gna gnb gnc gni gnn gno gnr gns goa gob goc gog goh goi gon goo gor gos gra grb grc grg grh gri grn gro grr grs gsa gsb gsc gsg gsi gsn gso gsr gss h-i haa hab hac hag hah hai han hao har has hba hbb hbc hbg hbh hbi hbn hbo hbr hbs hca hcb hcc hcg hch hci hcn hco hcr hcs hga hgb hgc hgg hgh hgi hgn hgo hgr hgs hha hhb hhc hhg hhh hhi hhn hho hhr hhs hia hib hic hig hih hii hin hio hir his hna hnb hnc hng hnh hnn hno hns hoa hob hoc hog hoh hoi hon hoo hor hos hr- hra hrb hrc hrg hrh hri hrn hro hrr hrs hsa hsb hsc hsg hsh hsi hsn hsr hss ia- iaa iab iac iag iah iai ian iao iar ias iba ibb ibc ibg ibh ibi ibn ibo ibr ibs ica icb icc icg ich ici icn ico icr ics iga igb igc igg igh igi ign igo igr igs iha ihb ihc ihg ihh ihi ihn iho ihr ihs iia iib iic iih iii iin iio iir iis in- ina inb inc ing inh ini inn ino inr ins io- ioa iob ioc iog ioh ioi ion ioo ior ios ir- ira irb irc irg iri irn iro irr irs is- isa isb isc isg ish isi isn iso isr iss n-i naa nab nac nag nah nai nan nao nar nas nba nbb nbc nbg nbi nbn nbo nbr nbs nca ncb ncc ncg nch nci ncn nco ncr ncs nga ngb ngc ngg ngh ngi ngn ngo ngs nha nhb nhc nhg nhh nhi nhn nhr nhs nia nib nic nig nih nii nin nio nir nis nna nnb nnc nng nnh nni nnn nno nns no- noa nob noc nog noh noi non noo nor nos nra nrb nrc nrg nri nrn nro nrr nrs nsa nsb nsc nsg nsh nsi nsn nso nsr nss o-i oaa oab oac oag oah oai oan oao oar oas ob- oba obb obc obg obh obi obn obo obr obs oc- oca ocb occ ocg och oci ocn oco ocr ocs oga ogc ogg ogh ogi ogn ogo ogs oha ohc ohg ohh ohi ohn oho ohr ohs oia oib oic oii oin oio oir ois on- ona onb onc ong onh oni onn ono onr ons oo- ooa oob ooc oog ooh ooi oon ooo oor oos or- ora orb orc org orh ori orn oro orr ors os- osa osb osc osg osh osi osn oso osr oss ra- raa rab rac rag rah rai ran rao rar ras rba rbb rbc rbg rbh rbi rbn rbo rbr rbs rca rcb rcc rcg rch rci rcn rco rcr rcs rga rgb rgc rgg rgh rgi rgn rgo rgr rgs rh- rha rhb rhc rhg rhh rhi rhn rho rhr rhs ria rib ric rig rih rii rin rio rir ris rna rnb rnc rng rnh rni rnn rno rnr rns roa rob roc rog roh roi ron roo ror ros rra rrb rrc rrg rrh rri rrn rrr rrs rsa rsb rsc rsg rsh rsi rsn rso rsr rss saa sab sac sag sah sai san sao sar sas sba sbb sbc sbg sbh sbi sbn sbo sbr sbs sca scb scc scg sch sci scn sco scr scs sga sgb sgc sgg sgh sgi sgn sgo sgr sgs sh- sha shb shc shg shh shi shn sho shr shs sia sib sic sig sih sii sin sio sir sis sna snb snc sng sni snn sno snr sns soa sob soc sog soh soi son soo sor sos sr- sra srb src srg srh sri