-ic a-a a-b a-c a-i aaa aab aac aad aah aai aak aao aar aas ab- aba abb abc abd abh abi abk abo abr abs ac- aca acb acc acd ach aci ack aco acr acs ad- ada adb adc add adh adi adk ado adr ads aha ahb ahc ahd ahh ahi ahk aho ahr ahs ai- aia aib aic aid aih aii aik aio air ais aka akb akc akd akh aki akk ako akr aks aoa aob aoc aod aoh aoi aok aoo aor aos ar- ara arb arc ard arh ari ark aro arr ars as- asa asb asc asd ash asi ask aso asr ass baa bab bac bad bah bai bak bao bar bas bba bbb bbc bbd bbh bbi bbk bbo bbr bbs bca bcb bcc bcd bch bci bck bco bcr bcs bda bdb bdc bdd bdh bdi bdk bdo bdr bds bha bhb bhc bhd bhh bhi bhk bho bhr bhs bi- bia bib bic bid bih bii bik bio bir bis bka bkb bkc bkk bko bkr bks boa bob boc bod boh boi bok boo bor bos bra brb brd brh bri brk bro brr brs bsa bsb bsc bsd bsh bsi bsk bso bsr bss c-- caa cab cac cad cah cai cak cao car cas cba cbb cbc cbd cbh cbi cbk cbo cbr cbs cca ccb ccc ccd cch cci cck cco ccr ccs cda cdb cdc cdd cdh cdi cdk cdo cdr cds ch- cha chb chc chd chh chi chk cho chr chs ci- cia cib cic cid cih cii cik cio cir cis cka ckb ckc ckd ckh cki cko cks co- coa cob coc cod coh coi cok coo cor cos cra crb crc crd crh cri crk cro crr crs csa csb csc csd csh csi csk cso csr css daa dab dac dad dah dai dak dao dar das dba dbb dbc dbd dbh dbi dbk dbo dbr dbs dca dcb dcc dcd dci dck dco dcr dcs dda ddb ddc ddd ddh ddi ddk ddo ddr dds dh- dha dhb dhc dhd dhh dhi dhk dho dhr dhs di- dia dib dic did dih dii dik dio dir dis dka dkb dkc dki dkk dko dkr dks doa dob doc dod doh doi dok doo dor dos dra drb drc drd dri drk dro drr drs dsa dsb dsc dsd dsh dsi dsk dso dsr dss h-i haa hab hac had hah hai hak hao har has hba hbb hbc hbd hbh hbi hbk hbo hbr hbs hca hcb hcc hcd hch hci hck hco hcr hcs hda hdb hdc hdd hdh hdi hdk hdo hdr hds hha hhb hhc hhd hhh hhi hhk hho hhr hhs hia hib hic hid hih hii hik hio hir his hka hkb hkd hkh hki hkk hko hkr hks hoa hob hoc hod hoh hoi hok hoo hor hos hr- hra hrb hrc hrd hrh hri hrk hro hrr hrs hsa hsb hsc hsd hsh hsi hsk hsr hss i-d ia- iaa iab iac iad iah iai iao iar ias iba ibb ibc ibd ibh ibi ibk ibo ibr ibs ica icb icc icd ich ici ick ico icr ics ida idb idc idd idh idi idk ido idr ids iha ihb ihc ihd ihh ihi ihk iho ihr ihs iia iib iic iid iih iii iio iir iis ika ikb ikc iki ikk iko ikr iks io- ioa iob ioc iod ioh ioi ioo ior ios ir- ira irb irc ird iri irk iro irr irs is- isa isb isc isd ish isi isk iso isr iss ka- kaa kab kac kad kah kai kak kao kar kas kba kbb kbc kbd kbh kbi kbk kbo kbr kbs kca kcb kcc kcd kch kci kck kcr kcs kda kdb kdc kdh kdk kdo kdr kds kha khh khi khk kho khr khs kia kib kic kid kih kii kik kio kir kis kkb kkc kkh kki kkk kkr kks koa kob koc kod koh koi kok koo kor kos kra krc krd kri krk kro krr krs ksa ksb ksc ksd ksh ksi ksk kso ksr kss o-i oaa oab oac oad oah oai oak oao oar oas ob- oba obb obc obd obh obi obk obo obr obs oc- oca ocb occ ocd och oci ock 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 oik oio oir ois oka okb okc okd oki okk oko okr oks oo- ooa oob ooc ood ooh ooi ook ooo oor oos or- ora orb orc ord orh ori ork oro orr ors os- osa osb osc osd osh osi osk oso osr oss ra- raa rab rac rad rah rai rak rao rar ras rba rbb rbc rbd rbh rbi rbk rbo rbr rbs rca rcb rcc rcd rch rci rco rcr rcs rda rdb rdc rdd rdh rdi rdo rdr rds rh- rha rhb rhc rhd rhh rhi rho rhr rhs ria rib ric rid rih rii rik rio rir ris rkb rkc rkk rko rks roa rob roc rod roh roi rok roo ror ros rra rrb rrc rrd rrh rri rrk rrr rrs rsa rsb rsc rsd rsh rsi rsk rso rsr rss saa sab sac sad sah sai sak sao sar sas sba sbb sbc sbd sbh sbi sbk sbo sbr sbs sca scb scc scd sch sci sck sco scr scs sda sdb sdc sdd sdh sdi sdk sdo sdr sds sh- sha shb shc shd shh shi shk sho shr shs sia sib sic sid sih sii sik sio sir sis sk- ska skb skc skd skh ski skk sko skr sks soa sob soc sod soh soi sok soo sor sos sr- sra srb src srd srh sri srk sro srr srs ss- ssa ssb ssc ssd ssh ssi ssk sso ssr sss