-ic a-a a-b a-c a-i aaa aab aac aad aah aai aar aas aay ab- aba abb abc abd abh abi abr abs aby ac- aca acb acc acd ach aci acr acs acy ad- ada adb adc add adh adi adr ads ady aha ahb ahc ahd ahh ahi ahr ahs ahy ai- aia aib aic aid aih aii air ais aiy ar- ara arb arc ard arh ari arr ars ary as- asa asb asc asd ash asi asr ass asy ay- aya ayc ayd ayh ayi ayr ays baa bab bac bad bah bai bar bas bay bba bbb bbc bbd bbh bbi bbr bbs bby bca bcb bcc bcd bch bci bcr bcs bcy bda bdb bdc bdd bdh bdi bdr bds bdy bha bhb bhc bhd bhh bhi bhr bhs bi- bia bib bic bid bih bii bir bis biy bra brb brd brh bri brr brs bry bsa bsb bsc bsd bsh bsi bsr bss bsy by- bya byc byd byh byi byr bys c-- caa cab cac cad cah cai car cas cay cba cbb cbc cbd cbh cbi cbr cbs cby cca ccb ccc ccd cch cci ccr ccs cda cdb cdc cdd cdh cdi cdr cds cdy ch- cha chb chc chd chh chi chr chs chy ci- cia cib cic cid cih cii cir cis cra crb crc crd crh cri crr crs cry csa csb csc csd csh csi csr css csy cya cyb cyc cyd cyr cys daa dab dac dad dah dai dar das day dba dbb dbc dbd dbh dbi dbr dbs dby dca dcb dcc dcd dci dcr dcs dda ddb ddc ddd ddh ddi ddr dds ddy dh- dha dhb dhc dhd dhh dhi dhr dhs di- dia dib dic did dih dii dir dis diy dra drb drc drd dri drr drs dry dsa dsb dsc dsd dsh dsi dsr dss dsy dy- dya dyb dyc dyd dyr dys dyy h-i haa hab hac had hah hai har has hay hba hbb hbc hbd hbh hbi hbr hbs hby hca hcb hcc hcd hch hci hcr hcs hcy hda hdb hdc hdd hdh hdi hdr hds hdy hha hhb hhc hhd hhh hhi hhr hhs hhy hia hib hic hid hih hii hir his hr- hra hrb hrc hrd hrh hri hrr hrs hsa hsb hsc hsd hsh hsi hsr hss hsy hy- hya hyb hyc hyd hyh hyi hyr hys hyy i-d ia- iaa iab iac iad iah iai iar ias iba ibb ibc ibd ibh ibi ibr ibs iby ica icb icc icd ich ici icr ics icy ida idb idc idd idh idi idr ids idy iha ihb ihc ihd ihh ihi ihr ihs ihy iia iib iic iid iih iii iir iis ir- ira irb irc ird iri irr irs iry is- isa isb isc isd ish isi isr iss isy iya iyc iyr iys iyy ra- raa rab rac rad rah rai rar ras ray rba rbb rbc rbd rbh rbi rbr rbs rca rcb rcc rcd rch rci rcr rcs rda rdb rdc rdd rdh rdi rdr rds rdy rh- rha rhb rhc rhd rhh rhi rhr rhs ria rib ric rid rih rii rir ris riy rra rrb rrc rrd rrh rri rrr rrs rsa rsb rsc rsd rsh rsi rsr rss ry- rya ryc ryd ryr rys ryy saa sab sac sad sah sai sar sas say sba sbb sbc sbd sbh sbi sbr sbs sby sca scb scc scd sch sci scr scs sda sdb sdc sdd sdh sdi sdr sds sdy sh- sha shb shc shd shh shi shr shs shy sia sib sic sid sih sii sir sis sr- sra srb src srd srh sri srr srs sry ss- ssa ssb ssc ssd ssh ssi ssr sss sy- sya syb syc syd syh syi syr sys yaa yab yac yad yah yai yar yas yay ybc ybi ybr ybs yby yca ycc ycd ych yci ycs ycy yda yds ydy yha yhc yhi yhs yid yih yii yir yis yra yrc yrs ysa ysb ysc ysi ysr yss ysy yyb yyc yys yyy