a-a a-b a-i aaa aab aah aai aan aao aar aav ab- aba abb abh abi abn abo abr abv aha ahb ahh ahi ahn aho ahr ahv ai- aia aib aih aii ain aio air aiv an- ana anb anh ani ann ano anr anv aoa aob aoh aoi aon aoo aor aov ar- ara arb arh ari arn aro arr arv av- ava avb avh avi avn avo avr baa bab bah bai ban bao bar bav bba bbb bbh bbi bbn bbo bbr bha bhb bhh bhi bho bhr bhv bi- bia bib bih bii bin bio bir biv bna bnb bni bnn bno bnr bnv boa bob boh boi bon boo bor bov bra brb brh bri brn bro brr brv bva bvb bvh bvi bvn bvo bvr bvv h-i haa hab hah hai han hao har hav hba hbb hbh hbi hbn hbo hbr hbv hha hhb hhh hhi hhn hho hhr hhv hia hib hih hii hin hio hir hiv hna hnb hnh hnn hno hnv hoa hob hoh hoi hon hoo hor hov hr- hra hrb hrh hri hrn hro hrr hrv hv- hva hvb hvn hvo hvr hvv i-v ia- iaa iab iah iai ian iao iar iav iba ibb ibh ibi ibn ibo ibr ibv iha ihb ihh ihi ihn iho ihr ihv iia iib iih iii iin iio iir in- ina inb inh ini inn ino inr inv io- ioa iob ioh ioi ion ioo ior iov ir- ira irb iri irn iro irr irv iva ivb ivi ivo ivr ivv n-i naa nab nah nai nan nao nar nav nba nbb nbi nbn nbo nbr nbv nha nhb nhh nhi nhn nhr nhv nia nib nih nii nin nio nir niv nna nnb nnh nni nnn nno nnv no- noa nob noh noi non noo nor nov nra nrb nri nrn nro nrr nrv nva nvb nvh nvi nvn nvv o-i oaa oab oah oai oan oao oar oav ob- oba obb obh obi obn obo obr obv oha ohh ohi ohn oho ohr oia oib oii oin oio oir oiv on- ona onb onh oni onn ono onr oo- ooa oob ooh ooi oon ooo oor oov or- ora orb orh ori orn oro orr orv ov- ova ovb ovh ovi ovo ovv ra- raa rab rah rai ran rao rar rav rba rbb rbh rbi rbn rbo rbr rh- rha rhb rhh rhi rhn rho rhr rhv ria rib rih rii rin rio rir riv rna rnb rnh rni rnn rno rnr rnv roa rob roh roi ron roo ror rov rra rrb rrh rri rrn rrr rva rvb rvh rvi rvn rvo rvr rvv v-a vaa vab vah vai van vao var vav vba vbh vbi vbo vbr vbv vh- vha vhb vhi vho vi- via vib vii vin vio vir viv vn- vna vni vno vnr vnv voa vob voh voi von voo vor vov vra vrb vrh vri vrn vrr vva vvb vvi vvo vvr vvv