-ic a-a a-b a-c a-i aaa aab aac aah aai aao aas aav ab- aba abb abc abh abi abo abs abv ac- aca acb acc ach aci aco acs acv aha ahb ahc ahh ahi aho ahs ahv ai- aia aib aic aih aii aio ais aiv aoa aob aoc aoh aoi aoo aos aov as- asa asb asc ash asi aso ass asv av- ava avb avc avh avi avo avs baa bab bac bah bai bao bas bav bba bbb bbc bbh bbi bbo bbs bca bcb bcc bch bci bco bcs bcv bha bhb bhc bhh bhi bho bhs bhv bi- bia bib bic bih bii bio bis biv boa bob boc boh boi boo bos bov bsa bsb bsc bsh bsi bso bss bsv bva bvb bvc bvh bvi bvo bvs bvv c-- caa cab cac cah cai cao cas cav cba cbb cbc cbh cbi cbo cbs cbv cca ccb ccc cch cci cco ccs ccv ch- cha chb chc chh chi cho chs chv ci- cia cib cic cih cii cio cis civ co- coa cob coc coh coi coo cos cov csa csb csc csh csi cso css csv cva cvb cvc cvh cvi cvo cvs cvv h-i haa hab hac hah hai hao has hav hba hbb hbc hbh hbi hbo hbs hbv hca hcb hcc hch hci hco hcs hcv hha hhb hhc hhh hhi hho hhs hhv hia hib hic hih hii hio his hiv hoa hob hoc hoh hoi hoo hos hov hsa hsb hsc hsh hsi hss hsv hv- hva hvb hvc hvo hvs hvv i-v ia- iaa iab iac iah iai iao ias iav iba ibb ibc ibh ibi ibo ibs ibv ica icb icc ich ici ico ics icv iha ihb ihc ihh ihi iho ihs ihv iia iib iic iih iii iio iis io- ioa iob ioc ioh ioi ioo ios iov is- isa isb isc ish isi iso iss isv iva ivb ivc ivi ivo ivs ivv o-i oaa oab oac oah oai oao oas oav ob- oba obb obc obh obi obo obs obv oc- oca ocb occ och oci oco ocs ocv oha ohc ohh ohi oho ohs oia oib oic oii oio ois oiv oo- ooa oob ooc ooh ooi ooo oos oov os- osa osb osc osh osi oso oss osv ov- ova ovb ovc ovh ovi ovo ovs ovv saa sab sac sah sai sao sas sav sba sbb sbc sbh sbi sbo sbs sbv sca scb scc sch sci sco scs scv sh- sha shb shc shh shi sho shs shv sia sib sic sih sii sio sis siv soa sob soc soh soi soo sos sov ss- ssa ssb ssc ssh ssi sso sss ssv sva svb svc svi svo svs svv v-a vaa vab vac vah vai vao vas vav vba vbc vbh vbi vbo vbs vbv vca vcc vch vci vco vcs vh- vha vhb vhc vhi vho vhs vi- via vib vic vii vio vis viv voa vob voc voh voi voo vos vov vsa vsb vsc vsh vsi vso vss vsv vva vvb vvc vvi vvo vvs vvv