a-a a-b a-i aaa aab aag aah aai aao aap aar aav ab- aba abb abg abh abi abo abp abr abv ag- aga agb agg agh agi ago agp agr agv aha ahb ahg ahh ahi aho ahp ahr ahv ai- aia aib aig aih aii aio aip air aiv aoa aob aog aoh aoi aoo aop aor aov ap- apa apb apg aph api apo app apr apv ar- ara arb arg arh ari aro arp arr arv av- ava avb avg avh avi avo avp avr b-p baa bab bag bah bai bao bap bar bav bba bbb bbg bbh bbi bbo bbp bbr bga bgb bgg bgh bgi bgo bgp bgr bgv bha bhb bhg bhh bhi bho bhp bhr bhv bi- bia bib big bih bii bio bip bir biv boa bob bog boh boi boo bop bor bov bpa bpb bpg bph bpi bpo bpp bpr bpv bra brb brg brh bri bro brp brr brv bva bvb bvg bvh bvi bvo bvp bvr bvv g-p gaa gab gag gah gai gao gap gar gav gba gbg gbh gbi gbo gbp gbr gbv gga ggb ggg ggh ggi ggo ggp ggr ggv gha ghb ghg ghh ghi gho ghp ghr gia gib gig gih gii gio gip gir giv goa gob gog goh goi goo gop gor gov gpa gpb gpg gph gpi gpo gpp gpr gra grb grg grh gri gro grp grr grv gva gvb gvg gvh gvi gvo gvp gvr h-i haa hab hag hah hai hao hap har hav hba hbb hbg hbh hbi hbo hbp hbr hbv hga hgb hgg hgh hgi hgo hgp hgr hgv hha hhb hhg hhh hhi hho hhp hhr hhv hia hib hig hih hii hio hip hir hiv hoa hob hog hoh hoi hoo hop hor hov hpa hpb hpg hph hpi hpo hpp hpr hpv hr- hra hrb hrg hrh hri hro hrp hrr hrv hv- hva hvb hvg hvo hvp hvr hvv i-v ia- iaa iab iag iah iai iao iap iar iav iba ibb ibg ibh ibi ibo ibp ibr ibv iga igb igg igh igi igo igp igr iha ihb ihg ihh ihi iho ihp ihr ihv iia iib iih iii iio iip iir io- ioa iob iog ioh ioi ioo iop ior iov ipa ipb ipg ipi ipo ipp ipr ipv ir- ira irb irg iri iro irp irr irv iva ivb ivg ivi ivo ivp ivr ivv o-i oaa oab oag oah oai oao oap oar oav ob- oba obb obg obh obi obo obp obr obv oga ogg ogh ogi ogo ogp oha ohg ohh ohi oho ohp ohr oia oib oii oio oip oir oiv oo- ooa oob oog ooh ooi ooo oop oor oov op- opa opb opg oph opi opo opp opr opv or- ora orb org orh ori oro orp orr orv ov- ova ovb ovh ovi ovo ovp ovv p-p paa pab pag pah pai pao pap par pav pba pbb pbg pbi pbo pbp pbr pga pgb pgg pgh pgi pgo pgp pgr pgv pha phb phg phi pho php phr phv pia pib pig pih pii pio pip pir piv poa pob pog poh poi poo pop por pov ppa ppb ppg pph ppi ppo ppp ppr ppv pra prb prg prh pri pro prp prr prv pva pvb pvg pvh pvi pvo pvp pvr pvv ra- raa rab rag rah rai rao rap rar rav rba rbb rbg rbh rbi rbo rbp rbr rga rgb rgg rgh rgi rgo rgp rgr rgv rh- rha rhb rhg rhh rhi rho rhp rhr rhv ria rib rig rih rii rio rip rir riv roa rob rog roh roi roo rop ror rov rpa rpb rpg rph rpi rpo rpp rpr rpv rra rrb rrg rrh rri rrp rrr rva rvb rvg rvh rvi rvo rvp rvr rvv v-a vaa vab vag vah vai vao vap var vav vba vbg vbh vbi vbo vbr vbv vga vgg vgh vgo vgp vgr vh- vha vhb vhi vho vhp vi- via vib vig vii vio vip vir viv voa vob vog voh voi voo vop vor vov vpa vpb vpg vph vpi vpo vpp vpr vra vrb vrg vrh vri vrp vrr vva vvb vvg vvi vvo vvr vvv