-al -er a-a a-b a-i aaa aab aae aai aak aal aar aav ab- aba abb abe abi abk abl abr abv aea aeb aee aei aek ael aer aev ai- aia aib aie aii aik ail air aiv aka akb ake aki akk akl akr akv al- ala alb ale ali alk all alr alv ar- ara arb are ari ark arl arr arv av- ava avb ave avi avk avl avr baa bab bae bai bak bal bar bav bba bbb bbe bbi bbk bbl bbr be- bea beb bee bei bek bel ber bev bi- bia bib bie bii bik bil bir biv bka bkb bke bkk bkl bkr bkv bla blb ble bli blk bll blr blv bra brb bre bri brk brl brr brv bva bvb bve bvi bvk bvl bvr bvv eaa eab eae eai eak eal ear eav eba ebb ebe ebi ebk ebl ebr ebv eea eeb eee eek eel eer eev eia eib eie eii eik eil eir eiv eka ekb eke eki ekl ekr ekv ela elb ele eli elk ell elr elv era erb ere eri erk erl err erv eva evb eve evi evl evr evv i-v ia- iaa iab iae iai ial iar iav iba ibb ibe ibi ibk ibl ibr ibv ie- iea iee iei iek iel ier iev iia iib iie iii iil iir ika ikb ike iki ikk ikl ikr ikv il- ila ilb ile ili ilk ill ilr ilv ir- ira irb ire iri irk irl irr irv iva ivb ive ivi ivl ivr ivv ka- kaa kab kae kai kak kal kar kav kba kbb kbe kbi kbk kbl kbr ke- kea keb kee kei kek kel ker kev kia kib kie kii kik kil kir kiv kkb kke kki kkk kkl kkr kkv kl- kla klb kli klr klv kra kri krk krl krr krv kva kvb kvi kvk kvr kvv la- laa lab lae lai lak lal lar lav lba lbb lbe lbi lbk lbl lbr lbv lea leb lee lei lek lel ler lev lia lib lie lii lik lil lir liv lka lkb lkl lkr lla llb lle lli llk lll llr llv lra lrb lri lrk lrr lrv lva lvb lve lvi lvl lvr lvv ra- raa rab rae rai rak ral rar rav rba rbb rbe rbi rbk rbl rbr re- rea reb ree rei rek rel rer rev ria rib rie rii rik ril rir riv rkb rke rkk rkv rla rle rli rll rlr rra rrb rri rrk rrl rrr rva rvb rve rvi rvl rvr rvv v-a v-e vaa vab vae vai vak val var vav vba vbi vbk vbl vbr vbv vea veb vee vei vek vel ver vi- via vib vie vii vik vil vir viv vka vkb vl- vla vlb vle vlk vll vlv vra vrb vre vri vrk vrr vva vvb vvi vvr vvv