-al -er -ol a-a a-b a-i aaa aab aae aah aai aak aal aao aar ab- aba abb abe abh abi abk abl abo abr aea aeb aee aeh aei aek ael aeo aer aha ahb ahe ahh ahi ahk ahl aho ahr ai- aia aib aie aih aii aik ail aio air aka akb ake akh aki akk akl ako akr al- ala alb ale alh ali alk all alo alr aoa aob aoe aoh aoi aok aol aoo aor ar- ara arb are arh ari ark arl aro arr baa bab bae bah bai bak bal bao bar bba bbb bbe bbh bbi bbk bbl bbo bbr be- bea beb bee beh bei bek bel beo ber bha bhb bhe bhh bhi bhk bhl bho bhr bi- bia bib bie bih bii bik bil bio bir bka bkb bke bkk bkl bko bkr bla blb ble blh bli blk bll blo blr boa bob boe boh boi bok bol boo bor bra brb bre brh bri brk brl bro brr eaa eab eae eah eai eak eal eao ear eba ebb ebe ebh ebi ebk ebl ebo ebr eea eeb eee eek eel eeo eer eha ehb ehe ehh ehi ehl eho ehr eia eib eie eii eik eil eio eir eka ekb eke ekh eki ekl eko ekr ela elb ele elh eli elk ell elo elr eo- eoa eob eoe eoh eoi eok eol eoo eor era erb ere erh eri erk erl ero err h-i haa hab hae hah hai hak hal hao har hba hbb hbe hbh hbi hbk hbl hbo hbr he- hea heb hee heh hei hek hel heo her hha hhb hhe hhh hhi hhk hhl hho hhr hia hib hie hih hii hik hil hio hir hka hkb hkh hki hkk hkl hko hkr hla hlb hle hlh hli hll hlo hlr hoa hob hoe hoh hoi hok hol hoo hor hr- hra hrb hre hrh hri hrk hrl hro hrr ia- iaa iab iae iah iai ial iao iar iba ibb ibe ibh ibi ibk ibl ibo ibr ie- iea iee iei iek iel ier iha ihb ihe ihh ihi ihk ihl iho ihr iia iib iie iih iii iil iio iir ika ikb ike iki ikk ikl iko ikr il- ila ilb ile ilh ili ilk ill ilo ilr io- ioa iob ioe ioh ioi iol ioo ior ir- ira irb ire iri irk irl iro irr ka- kaa kab kae kah kai kak kal kao kar kba kbb kbe kbh kbi kbk kbl kbo kbr ke- kea keb kee keh kei kek kel keo ker kha khe khh khi khk kho khr kia kib kie kih kii kik kil kio kir kkb kke kkh kki kkk kkl kkr kl- kla klb klh kli klo klr koa kob koe koh koi kok kol koo kor kra kri krk krl kro krr la- laa lab lae lah lai lak lal lao lar lba lbb lbe lbh lbi lbk lbl lbo lbr lea leb lee leh lei lek lel leo ler lha lhb lhh lhi lhk lho lhr lia lib lie lih lii lik lil lio lir lka lkb lkh lkl lkr lla llb lle lli llk lll llo llr loa lob loe loh loi lok lol loo lor lra lrb lrh lri lrk lro lrr o-i oaa oab oae oah oai oak oal oao oar ob- oba obb obe obh obi obk obl obo obr oea oeb oee oeh oei oel oeo oer oha ohe ohh ohi ohl oho ohr oia oib oie oii oik oil oio oir oka okb oke oki okk okl oko okr ola olb ole oli olk oll olo oo- ooa oob ooh ooi ook ool ooo oor or- ora orb ore orh ori ork orl oro orr ra- raa rab rae rah rai rak ral rao rar rba rbb rbe rbh rbi rbk rbl rbo rbr re- rea reb ree reh rei rek rel reo rer rh- rha rhb rhe rhh rhi rhl rho rhr ria rib rie rih rii rik ril rio rir rkb rke rkk rko rla rle rlh rli rll rlo rlr roa rob roe roh roi rok rol roo ror rra rrb rrh rri rrk rrl rrr