-er a-a a-b a-i aaa aab aae aag aah aai aao aap aar aav ab- aba abb abe abg abh abi abo abp abr abv aea aeb aee aeg aeh aei aeo aep aer aev ag- aga agb age agg agh agi ago agp agr agv aha ahb ahe ahg ahh ahi aho ahp ahr ahv ai- aia aib aie aig aih aii aio aip air aiv aoa aob aoe aog aoh aoi aoo aop aor aov ap- apa apb ape apg aph api apo app apr apv ar- ara arb are arg arh ari aro arp arr arv av- ava avb ave avg avh avi avo avp avr b-p baa bab bae bag bah bai bao bap bar bav bba bbb bbe bbg bbh bbi bbo bbp bbr be- bea beb bee beg beh bei beo bep ber bev bga bgb bge bgg bgh bgi bgo bgp bgr bgv bha bhb bhe bhg bhh bhi bho bhp bhr bhv bi- bia bib bie big bih bii bio bip bir biv boa bob boe bog boh boi boo bop bor bov bpa bpb bpe bpg bph bpi bpo bpp bpr bpv bra brb bre brg brh bri bro brp brr brv bva bvb bve bvg bvh bvi bvo bvp bvr bvv eaa eab eae eag eah eai eao eap ear eav eba ebb ebe ebg ebh ebi ebo ebp ebr ebv eea eeb eee eeg eeo eep eer eev ega egb ege egg egh egi ego egp egr eha ehb ehe ehg ehh ehi eho ehp ehr ehv eia eib eie eig eii eio eip eir eiv eo- eoa eob eoe eog eoh eoi eoo eop eor ep- epa epb epe epg eph epi epo epp epr era erb ere erg erh eri ero erp err erv eva evb eve evg evh evi evo evp evr evv g-p gaa gab gae gag gah gai gao gap gar gav gba gbe gbg gbh gbi gbo gbp gbr gbv ge- gea geb gee geg geh gei geo gep ger gev gga ggb ggg ggh ggi ggo ggp ggr ggv gha ghb ghe ghg ghh ghi gho ghp ghr gia gib gie gig gih gii gio gip gir giv goa gob goe gog goh goi goo gop gor gov gpa gpb gpe gpg gph gpi gpo gpp gpr gra grb gre grg grh gri gro grp grr grv gva gvb gve gvg gvh gvi gvo gvp gvr h-i haa hab hae hag hah hai hao hap har hav hba hbb hbe hbg hbh hbi hbo hbp hbr hbv he- hea heb hee heg heh hei heo hep her hev hga hgb hge hgg hgh hgi hgo hgp hgr hgv hha hhb hhe hhg hhh hhi hho hhp hhr hhv hia hib hie hig hih hii hio hip hir hiv hoa hob hoe hog hoh hoi hoo hop hor hov hpa hpb hpe hpg hph hpi hpo hpp hpr hpv hr- hra hrb hre hrg hrh hri hro hrp hrr hrv hv- hva hvb hvg hvo hvp hvr hvv i-v ia- iaa iab iae iag iah iai iao iap iar iav iba ibb ibe ibg ibh ibi ibo ibp ibr ibv ie- iea iee ieg iei iep ier iev iga igb ige igg igh igi igo igp igr iha ihb ihe ihg ihh ihi iho ihp ihr ihv iia iib iie iih iii iio iip iir io- ioa iob ioe iog ioh ioi ioo iop ior iov ipa ipb ipe ipg ipi ipo ipp ipr ipv ir- ira irb ire irg iri iro irp irr irv iva ivb ive ivg ivi ivo ivp ivr ivv o-i oaa oab oae oag oah oai oao oap oar oav ob- oba obb obe obg obh obi obo obp obr obv oea oeb oee oeg oeh oei oeo oep oer oga oge ogg ogh ogi ogo ogp oha ohe ohg ohh ohi oho ohp ohr oia oib oie oii oio oip oir oiv oo- ooa oob oog ooh ooi ooo oop oor oov op- opa opb ope opg oph opi opo opp opr opv or- ora orb ore org orh ori oro orp orr orv ov- ova ovb ove ovh ovi ovo ovp ovv p-p paa pab pae pag pah pai pao pap par pav pba pbb pbe pbg pbi pbo pbp pbr pea peb pee peg peh pei peo pep per pev pga pgb pge pgg pgh pgi pgo pgp pgr pgv pha phb phe phg phi pho php phr phv pia pib pie pig pih pii pio pip pir piv poa pob poe pog poh poi poo pop por pov ppa ppb ppe ppg pph ppi ppo ppp ppr ppv pra prb pre prg prh pri pro prp prr prv pva pvb pve pvg pvh pvi pvo pvp pvr pvv ra- raa rab rae rag rah rai rao rap rar rav rba rbb rbe rbg rbh rbi rbo rbp rbr re- rea reb ree reg reh rei reo rep rer rev rga rgb rge rgg rgh rgi rgo rgp rgr rgv rh- rha rhb rhe rhg rhh rhi rho rhp rhr rhv ria rib rie rig rih rii rio rip rir riv roa rob roe rog roh roi roo rop ror rov rpa rpb rpe rpg rph rpi rpo rpp rpr rpv rra rrb rrg rrh rri rrp rrr rva rvb rve rvg rvh rvi rvo rvp rvr rvv v-a v-e vaa vab vae vag vah vai vao vap var vav vba vbg vbh vbi vbo vbr vbv vea veb vee veg veh vei veo vep ver vga vgg vgh vgo vgp vgr vh- vha vhb vhe vhi vho vhp vi- via vib vie vig vii vio vip vir viv voa vob voe vog voh voi voo vop vor vov vpa vpb vpe vpg vph vpi vpo vpp vpr vra vrb vre vrg vrh vri vrp vrr vva vvb vvg vvi vvo vvr vvv