-ic a-a a-b a-c a-i aaa aab aac aad aah aai aao aar aas aay ab- aba abb abc abd abh abi abo abr abs aby ac- aca acb acc acd ach aci aco acr acs acy ad- ada adb adc add adh adi ado adr ads ady aha ahb ahc ahd ahh ahi aho ahr ahs ahy ai- aia aib aic aid aih aii aio air ais aiy aoa aob aoc aod aoh aoi aoo aor aos ar- ara arb arc ard arh ari aro arr ars ary as- asa asb asc asd ash asi aso asr ass asy ay- aya ayc ayd ayh ayi ayo ayr ays baa bab bac bad bah bai bao bar bas bay bba bbb bbc bbd bbh bbi bbo bbr bbs bby bca bcb bcc bcd bch bci bco bcr bcs bcy bda bdb bdc bdd bdh bdi bdo bdr bds bdy bha bhb bhc bhd bhh bhi bho bhr bhs bi- bia bib bic bid bih bii bio bir bis biy boa bob boc bod boh boi boo bor bos boy bra brb brd brh bri bro brr brs bry bsa bsb bsc bsd bsh bsi bso bsr bss bsy by- bya byc byd byh byi byo byr bys c-- caa cab cac cad cah cai cao car cas cay cba cbb cbc cbd cbh cbi cbo cbr cbs cby cca ccb ccc ccd cch cci cco ccr ccs cda cdb cdc cdd cdh cdi cdo cdr cds cdy ch- cha chb chc chd chh chi cho chr chs chy ci- cia cib cic cid cih cii cio cir cis co- coa cob coc cod coh coi coo cor cos coy cra crb crc crd crh cri cro crr crs cry csa csb csc csd csh csi cso csr css csy cya cyb cyc cyd cyo cyr cys daa dab dac dad dah dai dao dar das day dba dbb dbc dbd dbh dbi dbo dbr dbs dby dca dcb dcc dcd dci dco dcr dcs dda ddb ddc ddd ddh ddi ddo ddr dds ddy dh- dha dhb dhc dhd dhh dhi dho dhr dhs di- dia dib dic did dih dii dio dir dis diy doa dob doc dod doh doi doo dor dos doy dra drb drc drd dri dro drr drs dry dsa dsb dsc dsd dsh dsi dso dsr dss dsy dy- dya dyb dyc dyd dyo dyr dys dyy h-i haa hab hac had hah hai hao har has hay hba hbb hbc hbd hbh hbi hbo hbr hbs hby hca hcb hcc hcd hch hci hco hcr hcs hcy hda hdb hdc hdd hdh hdi hdo hdr hds hdy hha hhb hhc hhd hhh hhi hho hhr hhs hhy hia hib hic hid hih hii hio hir his hoa hob hoc hod hoh hoi hoo hor hos hoy hr- hra hrb hrc hrd hrh hri hro hrr hrs hsa hsb hsc hsd hsh hsi hsr hss hsy hy- hya hyb hyc hyd hyh hyi hyo hyr hys hyy i-d ia- iaa iab iac iad iah iai iao iar ias iba ibb ibc ibd ibh ibi ibo ibr ibs iby ica icb icc icd ich ici ico icr ics icy ida idb idc idd idh idi ido idr ids idy iha ihb ihc ihd ihh ihi iho ihr ihs ihy iia iib iic iid iih iii iio iir iis io- ioa iob ioc iod ioh ioi ioo ior ios ir- ira irb irc ird iri iro irr irs iry is- isa isb isc isd ish isi iso isr iss isy iya iyc iyo iyr iys iyy o-i oaa oab oac oad oah oai oao oar oas ob- oba obb obc obd obh obi obo obr obs oby oc- oca ocb occ ocd och oci oco ocr ocs oda odb odc odd odh odi odo odr ods oha ohc ohd ohh ohi oho ohr ohs oia oib oic oid oii oio oir ois oo- ooa oob ooc ood ooh ooi ooo oor oos or- ora orb orc ord orh ori oro orr ors ory os- osa osb osc osd osh osi oso osr oss oya oyd oyi oyo oys ra- raa rab rac rad rah rai rao rar ras ray rba rbb rbc rbd rbh rbi rbo rbr rbs rca rcb rcc rcd rch rci rco rcr rcs rda rdb rdc rdd rdh rdi rdo rdr rds rdy rh- rha rhb rhc rhd rhh rhi rho rhr rhs ria rib ric rid rih rii rio rir ris riy roa rob roc rod roh roi roo ror ros roy rra rrb rrc rrd rrh rri rrr rrs rsa rsb rsc rsd rsh rsi rso rsr rss ry- rya ryc ryd ryo ryr rys ryy saa sab sac sad sah sai sao sar sas say sba sbb sbc sbd sbh sbi sbo sbr sbs sby sca scb scc scd sch sci sco scr scs sda sdb sdc sdd sdh sdi sdo sdr sds sdy sh- sha shb shc shd shh shi sho shr shs shy sia sib sic sid sih sii sio sir sis soa sob soc sod soh soi soo sor sos soy sr- sra srb src srd srh sri sro srr srs sry ss- ssa ssb ssc ssd ssh ssi sso ssr sss sy- sya syb syc syd syh syi syr sys yaa yab yac yad yah yai yao yar yas yay ybc ybi ybr ybs yby yca ycc ycd ych yci yco ycs ycy yda ydo yds ydy yha yhc yhi yhs yid yih yii yio yir yis yob yoc yod yoi yoo yor yos yoy yra yrc yro yrs ysa ysb ysc ysi yso ysr yss ysy yyb yyc yys yyy