a-a a-b a-i aaa aab aae aah aai aao aap aav ab- aba abb abe abh abi abo abp abv aea aeb aee aeh aei aeo aep aev aha ahb ahe ahh ahi aho ahp ahv ai- aia aib aie aih aii aio aip aiv aoa aob aoe aoh aoi aoo aop aov ap- apa apb ape aph api apo app apv av- ava avb ave avh avi avo avp b-p baa bab bae bah bai bao bap bav bba bbb bbe bbh bbi bbo bbp be- bea beb bee beh bei beo bep bev bha bhb bhe bhh bhi bho bhp bhv bi- bia bib bie bih bii bio bip biv boa bob boe boh boi boo bop bov bpa bpb bpe bph bpi bpo bpp bpv bva bvb bve bvh bvi bvo bvp bvv eaa eab eae eah eai eao eap eav eba ebb ebe ebh ebi ebo ebp ebv eea eeb eee eeo eep eev eha ehb ehe ehh ehi eho ehp ehv eia eib eie eii eio eip eiv eo- eoa eob eoe eoh eoi eoo eop ep- epa epb epe eph epi epo epp eva evb eve evh evi evo evp evv h-i haa hab hae hah hai hao hap hav hba hbb hbe hbh hbi hbo hbp hbv he- hea heb hee heh hei heo hep hev hha hhb hhe hhh hhi hho hhp hhv hia hib hie hih hii hio hip hiv hoa hob hoe hoh hoi hoo hop hov hpa hpb hpe hph hpi hpo hpp hpv hv- hva hvb hvo hvp hvv i-v ia- iaa iab iae iah iai iao iap iav iba ibb ibe ibh ibi ibo ibp ibv ie- iea iee iei iep iev iha ihb ihe ihh ihi iho ihp ihv iia iib iie iih iii iio iip io- ioa iob ioe ioh ioi ioo iop iov ipa ipb ipe ipi ipo ipp ipv iva ivb ive ivi ivo ivp ivv o-i oaa oab oae oah oai oao oap oav ob- oba obb obe obh obi obo obp obv oea oeb oee oeh oei oeo oep oha ohe ohh ohi oho ohp oia oib oie oii oio oip oiv oo- ooa oob ooh ooi ooo oop oov op- opa opb ope oph opi opo opp opv ov- ova ovb ove ovh ovi ovo ovp ovv p-p paa pab pae pah pai pao pap pav pba pbb pbe pbi pbo pbp pea peb pee peh pei peo pep pev pha phb phe phi pho php phv pia pib pie pih pii pio pip piv poa pob poe poh poi poo pop pov ppa ppb ppe pph ppi ppo ppp ppv pva pvb pve pvh pvi pvo pvp pvv v-a v-e vaa vab vae vah vai vao vap vav vba vbh vbi vbo vbv vea veb vee veh vei veo vep vh- vha vhb vhe vhi vho vhp vi- via vib vie vii vio vip viv voa vob voe voh voi voo vop vov vpa vpb vpe vph vpi vpo vpp vva vvb vvi vvo vvv